Enable USE_WAYLAND_WSI by default.

CMakeLists.txt

@@ -149,7 +149,7 @@ option(USING_EGL "Set to ON if target environment uses EGL" ${USING_EGL})
 option(USING_FBDEV "Set to ON if target environment uses fbdev (eg. Pandora)" ${USING_FBDEV})
 option(USING_GLES2 "Set to ON if target device uses OpenGL ES 2.0" ${USING_GLES2})
 option(USING_X11_VULKAN "Set to OFF if target environment doesn't use X11 for Vulkan" ON)
-option(USE_WAYLAND_WSI "Enable or disable Wayland WSI support for Vulkan" ${USE_WAYLAND_WSI})
+option(USE_WAYLAND_WSI "Enable or disable Wayland WSI support for Vulkan" ON)
 option(USE_VULKAN_DISPLAY_KHR "Enable or disable full screen display of Vulkan" ${USE_VULKAN_DISPLAY_KHR})
 # :: Frontends
 option(USING_QT_UI "Set to ON if you wish to use the Qt frontend wrapper" ${USING_QT_UI})