message: cmake: add google mock include
diff: @@ -111,6 +111,7 @@ if(NOT IOS AND NOT ANDROID)
  add_subdirectory(libs/gtest)
  include_directories(libs/gtest/googletest/include)
  + include_directories(libs/gtest/googlemock/include)
  if(NOT MSVC)
  # gtest has these warnings
  