mono cursor: increase contrast, better looking putty cursor (rhbz 998529)
mono cursor: increase contrast, better looking putty cursor (rhbz 998529)

Signed-off-by: Alon Levy <816c907b754fa7b5d4bb5eb91e0fc01e5510e64d@redhat.com>

freedesktop-unofficial-mirror/spice__spice-gtk,elmarco/spice-gtk,guodong/spice-gtk,guodong/spice-gtk,flexVDI/spice-gtk,elmarco/spice-gtk,fgouget/spice-gtk,fgouget/spice-gtk,Fantu/spice-gtk,guodong/spice-gtk,SPICE/spice-gtk,SPICE/spice-gtk,freedesktop-unofficial-mirror/spice__spice-gtk,Fantu/spice-gtk,elmarco/spice-gtk,SPICE/spice-gtk,guodong/spice-gtk,freedesktop-unofficial-mirror/spice__spice-gtk,fgouget/spice-gtk,SPICE/spice-gtk,elmarco/spice-gtk,Fantu/spice-gtk,freedesktop-unofficial-mirror/spice__spice-gtk,flexVDI/spice-gtk,Fantu/spice-gtk