cmake HB_HAVE_GOBJECT examples

RavEngine/RavEngine deps/harfbuzz/CMakeLists.txt :51

option(HB_HAVE_GOBJECT "Enable GObject Bindings" OFF)

RavEngine/RavEngine deps/harfbuzz/CMakeLists.txt :419

message(FATAL_ERROR "HB_HAVE_GOBJECT was set, but we failed to find glib-mkenums, which is required")