Remove unused check

Commited in SoC by Vitor Sessak on 2008-04-03 16:38:51

Originally committed as revision 12750 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/avfiltergraph.c

@@ -44,9 +44,6 @@ AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name)
 {
     int i;
 
-    if(!name)
-        return NULL;
-
     for(i = 0; i < graph->filter_count; i ++)
         if(graph->filters[i]->name && !strcmp(name, graph->filters[i]->name))
             return graph->filters[i];