Core: Add missing include to make surface_allocation.h build standalone.
Core: Add missing include to make surface_allocation.h build standalone.

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