perl-lwp-mediatypes: add licence hash

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

package/perl-lwp-mediatypes/perl-lwp-mediatypes.hash

@@ -1,3 +1,6 @@
 # retrieved by scancpan from http://cpan.metacpan.org/
 md5    8c5f25fb64b974d22aff424476ba13c9 LWP-MediaTypes-6.02.tar.gz
 sha256 18790b0cc5f0a51468495c3847b16738f785a2d460403595001e0b932e5db676 LWP-MediaTypes-6.02.tar.gz
+
+# computed by scancpan
+sha256 0844071ccbc184e7376c61051986c0b7bc3f0e6094c052ceaafd3d057673c17d README