libfusion: Fix fusion_skirmish_prevail/dismiss_multi() with zero count, fixing missing initialisation of ret.
libfusion: Fix fusion_skirmish_prevail/dismiss_multi() with zero count, fixing missing initialisation of ret.

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