x11: Fixes Min[Width|Height] and Max[Width|Height] of top level windows.
x11: Fixes Min[Width|Height] and Max[Width|Height] of top level windows.

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI