Add _two_ paths to GSETTINGS_SCHEMA_DIR

Author: QuLogic

test cases/frameworks/7 gnome/schemas/meson.build

@@ -5,6 +5,7 @@ install_dir : 'share/glib-2.0/schemas')
 
 testenv = environment()
 testenv.append('GSETTINGS_SCHEMA_DIR', meson.current_build_dir())
+testenv.append('GSETTINGS_SCHEMA_DIR', meson.current_build_dir())
 
 schemaexe = executable('schemaprog', 'schemaprog.c', dependencies : gio, install: true)
 test('schema test', schemaexe, env: testenv)