Fixed off-by-one bug in image loading code (multiplication by alpha). Fixes broken color keyed blits in df_dok.
Fixed off-by-one bug in image loading code (multiplication by alpha).
Fixes broken color keyed blits in df_dok.

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