libosip2: add hash for license file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libosip2/libosip2.hash

@@ -1,2 +1,5 @@
 # Locally calculated after checking pgp signature
 sha256	c9a18b0c760506d150017cdb1fa5c1cefe12b8dcbbf9a7e784eb75af376e96cd	libosip2-3.6.0.tar.gz
+
+# Hash for license file:
+sha256	8d9e95ed0e48df46dc758eb0d86df611f771eab4eed94bebb77dca87f1c897de	COPYING