rtsp: Fix the indentation of a linewrapped statement

Signed-off-by: NMartin Storsjö <martin@martin.st>

libavformat/rtsp.c

@@ -323,7 +323,7 @@ static void parse_fmtp(AVFormatContext *s, RTSPState *rt,
             rtsp_st->dynamic_handler &&
             rtsp_st->dynamic_handler->parse_sdp_a_line) {
             rtsp_st->dynamic_handler->parse_sdp_a_line(s, i,
-            rtsp_st->dynamic_protocol_context, line);
+                rtsp_st->dynamic_protocol_context, line);
         }
     }
 }