* Headers/x11/XWindowBuffer.h: Make the pending_rect ivar a struct
of int:s.
* Source/x11/XWindowBuffer.m: Add casts to remove pointer sign
warnings.
(-_exposeRect:, -_gotShmCompletion): Update uses of pending_rect.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@20537 72102866-910b-0410-8b05-ffd578937521