meson: dep_libdecor is disabled without wayland
Fixes the build when wayland is not installed.
src/egl/eglut/meson.build:34:0: ERROR: Unknown variable "dep_libdecor".Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Fixes the build when wayland is not installed.
src/egl/eglut/meson.build:34:0: ERROR: Unknown variable "dep_libdecor".