demux_rtp: Remove pointless typedef keyword

Remove "typedef" from struct RTPState declaration; fixes:
libmpdemux/demux_rtp.cpp:90: warning: 'typedef' was ignored in this declaration

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32170 b3059339-0415-0410-9bf9-f77b7e298cf2

libmpdemux/demux_rtp.cpp

@@ -78,7 +78,7 @@ private:
 
 // A structure of RTP-specific state, kept so that we can cleanly
 // reclaim it:
-typedef struct RTPState {
+struct RTPState {
   char const* sdpDescription;
   RTSPClient* rtspClient;
   SIPClient* sipClient;