Compile problem with gcc-8

[leto]

I am getting this error when i try to compile hush wallet (dev branch) with gcc-8
gtest/test_deprecation.cpp: In function ‘bool ThreadSafeMessageBox(MockUIInterface*, const string&, const string&, unsigned int)’:
gtest/test_deprecation.cpp:28:1: error: no return statement in function returning non-void [-Werror=return-type]
 }
 ^
compiled with --disable-tests... but i think it should be fixed anyway

This sounds like something fixed in BTC or ZEC master but we didn't get it.