libwine: Add missing return (Clang).

Signed-off-by: Chip Davis <cdavis@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

libs/wine/loader.c

@@ -1130,6 +1130,7 @@ void wine_init( int argc, char *argv[], char *error, int error_size )
             }
             else error[0] = 0;
         }
+        return;
     }
 #ifdef __APPLE__
     apple_main_thread( init_func );