build: Fix hint to disable remoting

If a dependency is missing, the error message should tell the build option to disable it.

Show the correct build option in the error message of the remoting plugin.

Signed-off-by: Silva Alejandro Ismael <silva.alejandro.ismael@gmail.com>

remoting/meson.build

@@ -1,5 +1,5 @@
 if get_option('remoting')
-	user_hint = 'If you rather not build this, set "remoting=false".'
+	user_hint = 'If you rather not build this, set \'-Dremoting=false\'.'
 
 	if not get_option('backend-drm')
 		error('Attempting to build the remoting plugin without the required DRM backend. ' + user_hint)