missing reset causing the same timestamp forever on perfect storm of conditions…

missing reset causing the same timestamp forever on perfect storm of conditions involving transcoding and ptime combo (gotta love it)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14771 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_core_io.c

@@ -924,8 +924,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_sess
 						enc_frame = &session->raw_write_frame;
 						session->raw_write_frame.rate = session->write_impl.actual_samples_per_second;
 						session->enc_write_frame.datalen = session->enc_write_frame.buflen;
+						session->enc_write_frame.timestamp = 0;
 						
-
 						
 						if (frame->codec && frame->codec->implementation && switch_core_codec_ready(frame->codec)) {
 							rate = frame->codec->implementation->actual_samples_per_second;