Adds CXXFLAGS env var to fix travis builds
Adds CXXFLAGS env var to fix travis builds

Aluxian/Facebook-Messenger-Desktop,Aluxian/Facebook-Messenger-Desktop,Aluxian/Messenger-for-Desktop,Aluxian/Messenger-for-Desktop,Aluxian/Facebook-Messenger-Desktop,rafael-neri/whatsapp-webapp,Aluxian/Messenger-for-Desktop,rafael-neri/whatsapp-webapp,rafael-neri/whatsapp-webapp