gfxcard: bugfix: when falling back to triangles in dfb_gfxcard_filltrapezoids() the return value of card->funcs.FillTriangle() what misinterpreted.
gfxcard:
bugfix: when falling back to triangles in dfb_gfxcard_filltrapezoids() the
return value of card->funcs.FillTriangle() what misinterpreted.

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