core: Make use of headers consistent across all files

* Include config.h before anything else in all files
* Remove unnecessary inclusion of libusb.h
* Use angle brackets for system headers and quotes for local headers

Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>

libusb/descriptor.c

@@ -19,6 +19,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <config.h>
+
 #include <errno.h>
 #include <stdint.h>
 #include <stdlib.h>

libusb/io.c

@@ -19,7 +19,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "config.h"
+#include <config.h>
+
 #include <assert.h>
 #include <errno.h>
 #include <stdint.h>

libusb/libusbi.h

@@ -21,7 +21,7 @@
 #ifndef LIBUSBI_H
 #define LIBUSBI_H
 
-#include "config.h"
+#include <config.h>
 
 #include <stdlib.h>
 
@@ -32,10 +32,10 @@
 #ifdef HAVE_POLL_H
 #include <poll.h>
 #endif
-
 #ifdef HAVE_MISSING_H
-#include "missing.h"
+#include <missing.h>
 #endif
+
 #include "libusb.h"
 #include "version.h"
 

libusb/os/linux_netlink.c

@@ -20,10 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "config.h"
-#include "libusb.h"
-#include "libusbi.h"
-#include "linux_usbfs.h"
+#include <config.h>
 
 #include <ctype.h>
 #include <dirent.h>
@@ -53,6 +50,9 @@
 #include <linux/filter.h>
 #endif
 
+#include "libusbi.h"
+#include "linux_usbfs.h"
+
 #define KERNEL 1
 
 static int linux_netlink_socket = -1;

libusb/os/linux_udev.c

@@ -20,7 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "config.h"
+#include <config.h>
 
 #include <assert.h>
 #include <ctype.h>
@@ -39,7 +39,6 @@
 #include <unistd.h>
 #include <libudev.h>
 
-#include "libusb.h"
 #include "libusbi.h"
 #include "linux_usbfs.h"
 

libusb/os/linux_usbfs.c

@@ -38,7 +38,6 @@
 #include <sys/utsname.h>
 #include <unistd.h>
 
-#include "libusb.h"
 #include "libusbi.h"
 #include "linux_usbfs.h"
 

libusb/os/netbsd_usb.c

@@ -16,6 +16,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <config.h>
+
 #include <sys/time.h>
 #include <sys/types.h>
 
@@ -28,7 +30,6 @@
 
 #include <dev/usb/usb.h>
 
-#include "libusb.h"
 #include "libusbi.h"
 
 struct device_priv {

libusb/os/openbsd_usb.c

@@ -16,6 +16,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <config.h>
+
 #include <sys/time.h>
 #include <sys/types.h>
 
@@ -28,7 +30,6 @@
 
 #include <dev/usb/usb.h>
 
-#include "libusb.h"
 #include "libusbi.h"
 
 struct device_priv {

libusb/os/poll_posix.c

@@ -18,6 +18,8 @@
  *
  */
 
+#include <config.h>
+
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>

libusb/os/poll_windows.c

@@ -40,6 +40,8 @@
  * with a fake pipe. The read/write functions are only meant to be used in that
  * context.
  */
+#include <config.h>
+
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>

libusb/os/threads_posix.c

@@ -19,6 +19,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <config.h>
+
 #if defined(__linux__) || defined(__OpenBSD__)
 # if defined(__linux__)
 #  define _GNU_SOURCE

libusb/os/threads_windows.c

@@ -19,6 +19,7 @@
  */
 
 #include <config.h>
+
 #include <objbase.h>
 #include <errno.h>
 #include <stdarg.h>

libusb/os/wince_usb.c

@@ -22,12 +22,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <libusbi.h>
+#include <config.h>
 
 #include <stdint.h>
 #include <errno.h>
 #include <inttypes.h>
 
+#include "libusbi.h"
 #include "wince_usb.h"
 
 // Forward declares

libusb/os/windows_usb.c

@@ -23,6 +23,7 @@
  */
 
 #include <config.h>
+
 #include <windows.h>
 #include <setupapi.h>
 #include <ctype.h>

libusb/strerror.c

@@ -16,13 +16,13 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
+
+#include <config.h>
 
 #include <locale.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include "libusb.h"
 #include "libusbi.h"
 
 #if defined(_MSC_VER)

libusb/sync.c

@@ -17,7 +17,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "config.h"
+#include <config.h>
+
 #include <errno.h>
 #include <stdint.h>
 #include <stdlib.h>

libusb/version_nano.h

@@ -1 +1 @@
-#define LIBUSB_NANO 10914
+#define LIBUSB_NANO 10916