Merge commit '81688e68'

* commit '81688e68':
  avconv: Check rc_override memory allocation

Conflicts:
	ffmpeg_opt.c

See: 7efabffcMerged-by: Michael Niedermayer <michaelni@gmx.at>

ffmpeg_opt.c

@@ -1393,8 +1393,10 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, in
             video_enc->rc_override =
                 av_realloc_array(video_enc->rc_override,
                                  i + 1, sizeof(RcOverride));
-            if (!video_enc->rc_override)
+            if (!video_enc->rc_override) {
+                av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n");
                 exit_program(1);
+            }
             video_enc->rc_override[i].start_frame = start;
             video_enc->rc_override[i].end_frame   = end;
             if (q > 0) {