Fix frontend showing 2 errors on engine fatal error (exit code 52)
The exit code checked in the frontend was a hardcoded 2, which was outdated.
foreach(dir
Fonts
Forts
Graphics
Locale
Maps
Missions
Music
Names
Scripts
Sounds
Themes
misc
)
add_subdirectory(${dir})
endforeach(dir)
if(${GL2})
add_subdirectory(Shaders)
endif(${GL2})