Merged revisions 314550 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

................
  r314550 | twilson | 2011-04-20 17:23:04 -0700 (Wed, 20 Apr 2011) | 13 lines
  
  Merged revisions 314549 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
  ........
    r314549 | twilson | 2011-04-20 17:17:34 -0700 (Wed, 20 Apr 2011) | 6 lines
    
    Don't allocate more space than necessary for a sip_pkt
    
    This extra allocation is a hold-over from when pkt->data was a 
    character array. Now that it is an allocated string, just allocate 
    enough for the sip_pkt.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@314551 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -3556,7 +3556,7 @@ static enum sip_result __sip_reliable_xmit(struct sip_pvt *p, int seqno, int res
 		}
 	}
 
-	if (!(pkt = ast_calloc(1, sizeof(*pkt) + len + 1))) {
+	if (!(pkt = ast_calloc(1, sizeof(*pkt)))) {
 		return AST_FAILURE;
 	}
 	/* copy data, add a terminator and save length */