vteapp: Fix a couple typos
vteapp: Fix a couple typos

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