builder: Fix typo in cmake support
builder: Fix typo in cmake support

matthiasclasen/flatpak,alexlarsson/xdg-app,flatpak/flatpak,alexlarsson/xdg-app,amigadave/flatpak,amigadave/flatpak,handsome-feng/flatpak,matthiasclasen/xdg-app,alexlarsson/xdg-app,alexlarsson/xdg-app,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,handsome-feng/flatpak,GeorgesStavracas/flatpak,GeorgesStavracas/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,handsome-feng/flatpak,GeorgesStavracas/flatpak,handsome-feng/flatpak,handsome-feng/flatpak,GeorgesStavracas/flatpak,matthiasclasen/xdg-app,amigadave/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/xdg-app,matthiasclasen/xdg-app,GeorgesStavracas/flatpak,amigadave/flatpak,matthiasclasen/flatpak