Duplicate symbols

[RishatShamsutdinov]

Hi! I tried to use compiled lib in my project & linking failed with such records:

duplicate symbol __Z27RTCGetNativeLoggingSeverity18RTCLoggingSeverity in:
    <path to the project>/ThirdParty/WebRTC/webrtc-build-scripts/ios/webrtc/libjingle_peerconnection_builds/libWebRTC-13783-arm-intel-Release.a(libjingle_peerconnection_objc.RTCLogging.o)
   <path to the project>/ThirdParty/WebRTC/webrtc-build-scripts/ios/webrtc/libjingle_peerconnection_builds/libWebRTC-13783-arm-intel-Release.a(rtc_sdk_common_objc.RTCLogging.o)