WM/Default: Fix CoreGraphicsState lifecycle.
WM/Default: Fix CoreGraphicsState lifecycle.

Signed-off-by: Denis Oliver Kropp <3fa78fd63dd76ba74a102cf4e1e79303ef9149a1@directfb.org>

DirectFB/directfb,kevleyski/DirectFB-1,deniskropp/DirectFB,deniskropp/DirectFB,kaostao/directfb,lancebaiyouview/DirectFB,sklnet/DirectFB,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,sklnet/DirectFB,kevleyski/directfb,deniskropp/DirectFB,DirectFB/directfb,mtsekm/test,kevleyski/DirectFB-1,lancebaiyouview/DirectFB,sklnet/DirectFB,lancebaiyouview/DirectFB,lancebaiyouview/DirectFB,kevleyski/directfb,dfbdok/DirectFB1,kevleyski/DirectFB-1,dfbdok/DirectFB1,Distrotech/DirectFB,kevleyski/directfb,kaostao/directfb,djbclark/directfb-core-DirectFB,kevleyski/directfb,DirectFB/directfb,jcdubois/DirectFB,mtsekm/test,dfbdok/DirectFB1,kaostao/directfb,kevleyski/DirectFB-1,mtsekm/test,deniskropp/DirectFB,Distrotech/DirectFB,djbclark/directfb-core-DirectFB,jcdubois/DirectFB,sklnet/DirectFB,jcdubois/DirectFB