xfwm4: Fix regressions

This mainly fixes bug *Only fourth of the screen shown with windows
scaling 2x* [1].

While at it, apply all regression fixes from the Xfwm master branch.

[1]: https://bugzilla.xfce.org/show_bug.cgi?id=14566

xfwm4.be0

@@ -4,7 +4,9 @@
 
 SRCURL[0]="https://archive.xfce.org/src/xfce/xfwm4/${PKGVERSION[2]}/xfwm4-${PKGVERSION}.tar.bz2"
 
-# PATCHURL+=()
+PATCHURL+=(/src/mariux/patches/0001-compositor-GLX-Synchronize-GLX-and-X-rendering.patch)
+PATCHURL+=(/src/mariux/patches/0002-compositor-Fix-typo-in-vblank-options.patch)
+PATCHURL+=(/src/mariux/patches/0003-common-Convert-monitor-geometry-to-device-geometry.patch)
 
 # EXCLUDE+=()