Bug 1256750: Remove unnecessary sscanf_s parameter on windows, and fix format string everywhere else. r=jesup

MozReview-Commit-ID: 3YFhTbGg5ec

--HG--
extra : rebase_source : 5a7de94ed893d9434b6195f029d7c634c9f848a0

media/webrtc/signaling/src/sdp/SipccSdpAttributeList.cpp

@@ -684,14 +684,7 @@ SipccSdpAttributeList::LoadFmtp(sdp_t* sdp, uint16_t level)
             !!(fmtp->level_asymmetry_allowed);
 
         h264Parameters->packetization_mode = fmtp->packetization_mode;
-// Copied from VcmSIPCCBinding
-#ifdef _WIN32
-        sscanf_s(fmtp->profile_level_id, "%x",
-                 &h264Parameters->profile_level_id, sizeof(unsigned*));
-#else
-        sscanf(fmtp->profile_level_id, "%xu",
-               &h264Parameters->profile_level_id);
-#endif
+        sscanf(fmtp->profile_level_id, "%x", &h264Parameters->profile_level_id);
         h264Parameters->max_mbps = fmtp->max_mbps;
         h264Parameters->max_fs = fmtp->max_fs;
         h264Parameters->max_cpb = fmtp->max_cpb;