mgcp_send(): stop looping on conversion error

If mgcp_send() runs a transcoder loop, break the loop if rfc5993_hr_convert()
or amr_oa_bwe_convert() return with error. Possibly fixes an infinite loop
situation for erratic packets? (Didn't check for that in detail.)

Change-Id: Iba115a0b1d74e7cefba5dcdd777e98ddea9eba8c
1 file changed