mfplat: Make bsearch() callback functions cdecl.

dlls/mfplat/main.c

@@ -606,7 +606,7 @@ struct guid_def
     const char *name;
 };
 
-static int debug_compare_guid(const void *a, const void *b)
+static int __cdecl debug_compare_guid(const void *a, const void *b)
 {
     const GUID *guid = a;
     const struct guid_def *guid_def = b;
@@ -946,7 +946,7 @@ struct event_id
     const char *name;
 };
 
-static int debug_event_id(const void *a, const void *b)
+static int __cdecl debug_event_id(const void *a, const void *b)
 {
     const DWORD *id = a;
     const struct event_id *event_id = b;

dlls/mfplat/mediatype.c

@@ -1735,7 +1735,7 @@ struct uncompressed_video_format
     unsigned int bytes_per_pixel;
 };
 
-static int uncompressed_video_format_compare(const void *a, const void *b)
+static int __cdecl uncompressed_video_format_compare(const void *a, const void *b)
 {
     const GUID *guid = a;
     const struct uncompressed_video_format *format = b;