new patch for this file, smooths the effects of
an unhandled error Cexiting from poll() and resulting
otherwise in this process taking 100% of the CPU
updated patch for rtp.c, removes a misleading 'checksum error'
message when in reality the recvfrom() just returned no data;
replacement for the old chan_oss.c - the changes are
so massive that having a patch would be completely
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