package/glibmm: add hash

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/glibmm/glibmm.hash

@@ -0,0 +1,2 @@
+# From http://ftp.gnome.org/pub/gnome/sources/glibmm/2.36/glibmm-2.36.1.sha256sum
+sha256	d1f7dec2fd75ea95034ec143fcf2ff77a02e92aacf3e0cc110f9c67e7fe23766	glibmm-2.36.1.tar.xz