[AD] _al_mangled_main needs declaration for C as well?

[Peter Wang <novalazy@xxxxxxxxxx>]

For -Wmissing-prototypes, yes?

Peter

diff --git a/include/allegro5/platform/alosx.h b/include/allegro5/platform/alosx.h
index c8cf708..fc5a884 100644
--- a/include/allegro5/platform/alosx.h
+++ b/include/allegro5/platform/alosx.h
@@ -60,6 +60,8 @@ ALLEGRO_PATH *_al_osx_get_path(int id);
       #endif
       #ifdef __cplusplus
          extern "C" int _al_mangled_main(int, char **);
+      #else
+         extern int _al_mangled_main(int, char **);
       #endif
    #endif
 #endif