10l, rtp_muxer needs config_network

Originally committed as revision 8843 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -709,7 +709,7 @@ libnut_demuxer_deps="libnut"
 libnut_muxer_deps="libnut"
 ogg_muxer_deps="libogg"
 redir_demuxer_deps="network"
-rtp_muxer_deps="mpegts_demuxer"
+rtp_muxer_deps="network mpegts_demuxer"
 rtsp_demuxer_deps="rtp_protocol rtp_muxer"
 sdp_demuxer_deps="rtsp_demuxer"
 v4l2_demuxer_deps="v4l2"