inotify: Fix new video file detection for TYPE_AUDIO|TYPE_VIDEO media_dirs.

We were missing a return in one of the cases for the switch.

Patch #150 from user Shrimpkin.
Fixes: Support Request #40 (Inotify don't work when add *.mts video)

inotify.c

@@ -328,6 +328,7 @@ inotify_insert_file(char * name, const char * path)
 			if( !is_audio(path) &&
 			    !is_video(path) &&
 			    !is_playlist(path) )
+				return -1;
 			break;
 		case TYPE_AUDIO|TYPE_IMAGES:
 			if( !is_image(path) &&