ffserver: make statement block unconditional by exiting early

Signed-off-by: Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>

ffserver.c

@@ -3594,7 +3594,9 @@ static void build_feed_streams(void)
     /* gather all streams */
     for(stream = config.first_stream; stream; stream = stream->next) {
         feed = stream->feed;
-        if (feed) {
+        if (!feed)
+            continue;
+
         if (stream->is_feed) {
             for(i=0;i<stream->nb_streams;i++)
                 stream->feed_streams[i] = i;
@@ -3605,7 +3607,6 @@ static void build_feed_streams(void)
                                                         stream->streams[i]);
         }
     }
-    }
 
     /* create feed files if needed */
     for(feed = config.first_feed; feed; feed = feed->next_feed) {