prosody: add hash for license file

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

package/prosody/prosody.hash

@@ -3,3 +3,6 @@ md5    0eebf7a18ce1fc7dd9954c94ebd85f54  prosody-0.10.0.tar.gz
 sha1   57c1c5a665e6453bdde06727ef398cd69accd9d7  prosody-0.10.0.tar.gz
 sha256 7414e447256c60b2645578c4a5913113cd74b419ca5a032b54db90d98a978498  prosody-0.10.0.tar.gz
 sha512 ee66e240afba6a8cb286623da48d9b535798153fb65e32070cec93aafe360e91f7087eeb49dec0f7d145e24f04339ed0878e50835b52f682130b204e22990ce9  prosody-0.10.0.tar.gz
+
+# Hash for license file:
+sha256 bbbdc1c5426e5944cf869fc0faeaf19d88a220cd2b39ea98b7b8e86b0e88a2ef  COPYING