Only #include QX11Info on X11 platform.
Only #include QX11Info on X11 platform.

RevBy: Jon Nordby, Jan Arne Petersen

Full, original commit at 253091d99a04f4e0d84ee527787b5bffae436338 in maliit-framework

maliit/inputcontext-qt4,perencia/inputcontext-qt4,maliit/inputcontext-qt4