scanner: Fix 'destroy)' typo in check for destroy request presence
scanner: Fix 'destroy)' typo in check for destroy request presence

This is there to enforce that we don't have interfaces with a destroy
request that isn't a destructor.  The check never worked because of the
typo, but we also don't have any interfaces like that.

tulcod/wayland,tulcod/wayland,mchalupa/wayland,abooij/wayland,abooij/wayland,abooij/wayland,eyolfson/wayland,tulcod/wayland,mchalupa/wayland,eyolfson/wayland,bitfactor/wayland,sir-murray/wayland,mchalupa/wayland,bitfactor/wayland,bitfactor/wayland,sir-murray/wayland,sir-murray/wayland,eyolfson/wayland