res_rtp_asterisk: Return the length of data written when sending via ICE instead of 0.

ASTERISK-23834 #close
Reported by: Richard Kenner


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@417141 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_rtp_asterisk.c

@@ -1657,7 +1657,7 @@ static int __rtp_sendto(struct ast_rtp_instance *instance, void *buf, size_t siz
 
 		if (pj_ice_sess_send_data(rtp->ice, rtcp ? AST_RTP_ICE_COMPONENT_RTCP : AST_RTP_ICE_COMPONENT_RTP, temp, len) == PJ_SUCCESS) {
 			*ice = 1;
-			return 0;
+			return len;
 		}
 	}
 #endif