perl-io-html: add license hash

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

package/perl-io-html/perl-io-html.hash

@@ -1,3 +1,6 @@
 # retrieved by scancpan from http://cpan.metacpan.org/
 md5    3f8958718844dc96b9f6946f21d70d22 IO-HTML-1.001.tar.gz
 sha256 ea78d2d743794adc028bc9589538eb867174b4e165d7d8b5f63486e6b828e7e0 IO-HTML-1.001.tar.gz
+
+# computed by scancpan
+sha256 b386f0545c17589141d98810dd46aa1c4a14d7028cae6bdd807969639ea7405e LICENSE