Simplify spice_pixman_region32_init_rects with new types
Simplify spice_pixman_region32_init_rects with new types

Don't manually of SpiceRects to pixman_box32_t now that they are compatible
and SpiceRect is internal.

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