joysticks should be opend as readonly

plugins/pad/zeropad/Linux/linux.cpp

@@ -680,7 +680,7 @@ bool JoystickInfo::Init(const char* pdevid, int id, bool bStartThread)
     assert(pdevid != NULL );
     Destroy();
     
-    if ((js_fd = open(pdevid, O_RDWR)) < 0) {
+    if ((js_fd = open(pdevid, O_RDONLY)) < 0) {
         js_fd = -1;
         return false;
     }

plugins/pad/zeropad/build.sh

@@ -9,12 +9,15 @@ echo ----------------
 if [ $# -gt 0 ] && [ $1 = "all" ]
 then
 
+#if possible
+make distclean
+
 aclocal
 automake -a
 autoconf
 chmod +x configure
 ./configure --prefix=${PCSX2PLUGINS}
-make clean
+make distclean
 make install
 
 else