client/Makefile.am: mingw32 fixes
client/Makefile.am: mingw32 fixes

* build resource file with windres
* include client/windows and not client/x11
* use CXIMAGE_CFLAGS (it's already set to -DDISABLE_CXIMAGE correctly)

fgouget/spice,mathslinux/spice,fgouget/spice,SPICE/spice,SPICE/spice,freedesktop-unofficial-mirror/spice__spice,dezelin/spice,fgouget/spice,fgouget/spice,alon/spice-server,dezelin/spice,elmarco/spice,Fantu/spice,alon/spice-server,freedesktop-unofficial-mirror/spice__spice,ya-mouse/spice,mathslinux/spice,elmarco/spice,ya-mouse/spice,Fantu/spice,freedesktop-unofficial-mirror/spice__spice,elmarco/spice,mathslinux/spice,elmarco/spice,SPICE/spice,mathslinux/spice,dezelin/spice,Fantu/spice,dezelin/spice,alon/spice-server,freedesktop-unofficial-mirror/spice__spice,elmarco/spice,freedesktop-unofficial-mirror/spice__spice,Fantu/spice,ya-mouse/spice,alon/spice-server,alon/spice-server,mathslinux/spice,dezelin/spice