Fix an oops with chat string appearing between two net commands (it's very rare and random condition, but I caught it while playing via net)
if(WIN32 AND NOT UNIX)
install(FILES
libpng13.dll
SDL.dll
SDL_image.dll
SDL_mixer.dll
SDL_net.dll
SDL_ttf.dll
zlib1.dll
DESTINATION bin)
endif(WIN32 AND NOT UNIX)