perl-http-negotiate: add license hash

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

package/perl-http-negotiate/perl-http-negotiate.hash

@@ -1,3 +1,6 @@
 # retrieved by scancpan from http://cpan.metacpan.org/
 md5    1236195250e264d7436e7bb02031671b HTTP-Negotiate-6.01.tar.gz
 sha256 1c729c1ea63100e878405cda7d66f9adfd3ed4f1d6cacaca0ee9152df728e016 HTTP-Negotiate-6.01.tar.gz
+
+# computed by scancpan
+sha256 7a2114bb46279309f8a67e359ab0a578a4e9a7c7add0d1725de46b44f6da6514 README