package/heirloom-mailx: add hash

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

package/heirloom-mailx/heirloom-mailx.hash

@@ -0,0 +1,2 @@
+# From http://snapshot.debian.org/archive/debian/20141023T043132Z/pool/main/h/heirloom-mailx/heirloom-mailx_12.5-3.dsc
+sha256	015ba4209135867f37a0245d22235a392b8bbed956913286b887c2e2a9a421ad	heirloom-mailx_12.5.orig.tar.gz