lavfi/allfilters: fix weird vertical align

libavfilter/allfilters.c

@@ -55,7 +55,7 @@ void avfilter_register_all(void)
     REGISTER_FILTER (ABUFFERSINK, abuffersink, asink);
     REGISTER_FILTER (ANULLSINK,   anullsink,   asink);
 
-    REGISTER_FILTER (ASS,         ass,  vf);
+    REGISTER_FILTER (ASS,         ass,         vf);
     REGISTER_FILTER (BBOX,        bbox,        vf);
     REGISTER_FILTER (BLACKDETECT, blackdetect, vf);
     REGISTER_FILTER (BLACKFRAME,  blackframe,  vf);