Update config.h.win32.in/clutter-config.h.win32

-Make the contents of config.h.win32.in more like config.h.in
-Define CLUTTER_INPUT_WIN32 accordingly (no GDK3 defines yet, until
 GDK3 on Windows is more stable)

clutter/clutter-config.h.win32

@@ -10,6 +10,7 @@
 G_BEGIN_DECLS
 
 #define CLUTTER_WINDOWING_WIN32 "win32"
+#define CLUTTER_INPUT_WIN32 "win32"
 
 G_END_DECLS
 

config.h.win32.in

@@ -6,9 +6,6 @@
 /* Use Generic EGL backend */
 /*#undef CLUTTER_EGL_BACKEND_GENERIC*/
 
-/* Built against the system Cogl library */
-/*#undef CLUTTER_USING_SYSTEM_COGL*/
-
 /* Can use Cogl 2.0 API internally */
 #define COGL_ENABLE_EXPERIMENTAL_2_0_API 1
 
@@ -61,9 +58,6 @@
 /* Define if the GNU gettext() function is already present or preinstalled. */
 #define HAVE_GETTEXT 1
 
-/* Define to 1 if you have the <GL/glx.h> header file. */
-/*#undef HAVE_GL_GLX_H*/
-
 /* Define if you have the iconv() function and it works. */
 #define HAVE_ICONV 1
 
@@ -120,6 +114,9 @@
 /* Define to 1 if we have the XFIXES X extension */
 /*#undef HAVE_XFIXES*/
 
+/* Define to 1 if X Generic Extensions is available */
+/* #undef HAVE_XGE */
+
 /* Define to 1 if XInput is available */
 /*#undef HAVE_XINPUT*/