perl-xml-namespacesupport: add license hash

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/perl-xml-namespacesupport/perl-xml-namespacesupport.hash

@@ -1,3 +1,6 @@
 # retrieved by scancpan from http://cpan.metacpan.org/
 md5    a8916c6d095bcf073e1108af02e78c97 XML-NamespaceSupport-1.12.tar.gz
 sha256 47e995859f8dd0413aa3f22d350c4a62da652e854267aa0586ae544ae2bae5ef XML-NamespaceSupport-1.12.tar.gz
+
+# computed by scancpan
+sha256 3fed787f0f9e1d74024ec7ae5f0f4736c693bcf263781da2054eb4bb1337e911 LICENSE