Fix HTTP under Windows.

net_http.h

@@ -35,9 +35,6 @@ typedef struct
 	char part;
 	char bodytype;
 	bool error;
-#if 0
-	char padding[5];
-#endif
 	
 	size_t pos;
 	size_t len;

net_http_test.c

@@ -1,8 +1,16 @@
 #include <stdio.h>
 #include "net_http.h"
 
+#ifdef _WIN32
+#include <winsock2.h>
+#endif
+
 int main(void)
 {
+#ifdef _WIN32
+	WSADATA wsaData;
+	WSAStartup(MAKEWORD(2, 2), &wsaData);
+#endif
    char *w;
 	http_t *http1, *http2, *http3;
 	size_t len, pos = 0; size_t tot = 0;

netplay_compat.h

@@ -34,7 +34,7 @@
 #ifndef MSG_NOSIGNAL
 #define MSG_NOSIGNAL 0
 #endif
-#define isagain(bytes) (false)
+#define isagain(bytes) (bytes==SOCKET_ERROR && WSAGetLastError()==WSAEWOULDBLOCK)
 #elif defined(_XBOX)
 #define NOD3D
 #include <xtl.h>