ffserver: move assignment outside condition eval

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

ffserver.c

@@ -2837,9 +2837,12 @@ static int prepare_sdp_description(FFServerStream *stream, uint8_t **pbuffer,
         snprintf(avc->filename, 1024, "rtp://0.0.0.0");
     }
 
-    if (!(avc->streams = av_malloc_array(avc->nb_streams, sizeof(*avc->streams))))
+    avc->streams = av_malloc_array(avc->nb_streams, sizeof(*avc->streams));
+    if (!avc->streams)
         goto sdp_done;
-    if (!(avs = av_malloc_array(avc->nb_streams, sizeof(*avs))))
+
+    avs = av_malloc_array(avc->nb_streams, sizeof(*avs));
+    if (!avs)
         goto sdp_done;
 
     for(i = 0; i < stream->nb_streams; i++) {