Increment codec count only when we add codec in SdpBody. This was sometimes incrementing the codec count and then blowing up in delete on a bad pointer.  Also initialize  codec pointer array to NULL.
Increment codec count only when we add codec in SdpBody.
This was sometimes incrementing the codec count and then
blowing up in delete on a bad pointer.  Also initialize 
codec pointer array to NULL.


git-svn-id: 8a77b5e12cf30fc5f8c95b12d648985d6db39537@12530 a612230a-c5fa-0310-af8b-88eea846685b

sipXtapi/sipXtapi-svn-mirror,sipXtapi/sipXtapi-svn-mirror,sipXtapi/sipXtapi-svn-mirror,sipXtapi/sipXtapi-svn-mirror,sipXtapi/sipXtapi-svn-mirror,sipXtapi/sipXtapi-svn-mirror,sipXtapi/sipXtapi-svn-mirror