Bug 1455557: accept new line as RTCP FB NACK terminator. r=bwc

MozReview-Commit-ID: B0KaqRvLqNs

--HG--
extra : rebase_source : 97bca7eb56b1e112fc3ff091e58323ff1d09d43e

media/webrtc/signaling/src/sdp/sipcc/sdp_attr.c

@@ -4679,7 +4679,7 @@ sdp_result_e sdp_parse_attr_rtcp_fb (sdp_t *sdp_p,
                 ptr++;
             }
             /* Check for empty string */
-            if (*ptr == '\r') {
+            if (*ptr == '\r' || *ptr == '\n') {
                 rtcp_fb_p->param.nack = SDP_RTCP_FB_NACK_BASIC;
                 break;
             }