widget: Init variable
widget: Init variable

Fixes a potential condition depending on an uninitialised value.

jessevdk/vte,thestinger/vte-ng,thestinger/vte-ng,rvu95/vte,flaxandteal/gasket-vte,jessevdk/vte,rvu95/vte,jessevdk/vte,rvu95/vte,rvu95/vte,saitoha/vte-sixel,saitoha/vte-sixel,flaxandteal/gasket-vte,flaxandteal/gasket-vte,flaxandteal/gasket-vte,thestinger/vte-ng,saitoha/vte-sixel,jessevdk/vte