Merge commit 'c27328e7'

* commit 'c27328e7':
  rtsp: Check for command strings without spaces

Conflicts:
	libavformat/rtspdec.c

See: a0568ed2Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/rtspdec.c

@@ -360,10 +360,12 @@ static inline int parse_command_line(AVFormatContext *s, const char *line,
     RTSPState *rt = s->priv_data;
     const char *linept, *searchlinept;
     linept = strchr(line, ' ');
+
     if (!linept) {
         av_log(s, AV_LOG_ERROR, "Error parsing method string\n");
         return AVERROR_INVALIDDATA;
     }
+
     if (linept - line > methodsize - 1) {
         av_log(s, AV_LOG_ERROR, "Method string too long\n");
         return AVERROR(EIO);