add wrap for 2.68.1 to easily subproject() the upstream meson.build

Author: eli-schwartz

upstream.wrap

@@ -0,0 +1,10 @@
+[wrap-file]
+directory = glib-2.68.1
+
+source_url = https://download.gnome.org/sources/glib/2.68/glib-2.68.1.tar.xz
+source_filename = glib-2.68.1.tar.xz
+source_hash = 241654b96bd36b88aaa12814efc4843b578e55d47440103727959ac346944333
+
+[provide]
+dependency_names = gthread-2.0, gobject-2.0, gmodule-no-export-2.0, gmodule-export-2.0, gmodule-2.0, glib-2.0, gio-2.0, gio-win32-2.0, gio-unix-2.0
+program_names = glib-genmarshal, glib-mkenums, glib-compile-schemas, glib-compile-resources, gio-querymodules, gdbus-codegen