Add FFMPEG_ prefix to all multiple inclusion guards.

Originally committed as revision 10765 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/rtspcodes.h

@@ -19,8 +19,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#ifndef AVFORMAT_RTSPCODES_H
-#define AVFORMAT_RTSPCODES_H
+#ifndef FFMPEG_RTSPCODES_H
+#define FFMPEG_RTSPCODES_H
 
 /** RTSP handling */
 enum RTSPStatusCode {
@@ -37,4 +37,4 @@ RTSP_STATUS_SERVICE         =503, /**< Service Unavailable */
 RTSP_STATUS_VERSION         =505, /**< RTSP Version not supported */
 };
 
-#endif // AVFORMAT_RTSPCODES_H
+#endif /* FFMPEG_RTSPCODES_H */