Surprisingly enough, the RTP muxer does not depend on the RTP protocol

nor on network support.

Originally committed as revision 21202 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -1251,7 +1251,6 @@ mpegtsraw_demuxer_select="mpegts_demuxer"
 mxf_d10_muxer_select="mxf_muxer"
 ogg_demuxer_select="golomb"
 psp_muxer_select="mov_muxer"
-rtp_muxer_deps="network rtp_protocol"
 rtsp_demuxer_deps="sdp_demuxer"
 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
 spdif_muxer_select="aac_parser"