libglib2: added libglib2.hash

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libglib2/libglib2.hash

@@ -0,0 +1,2 @@
+# https://download.gnome.org/sources/glib/2.42/glib-2.42.2.sha256sum
+sha256  a3cc1ebd2bd310a9fdf42ae4293ee713cdf1764bd29f552febf3bf44cadae7db  glib-2.42.2.tar.xz