Bug 29813: Add missing semicolon in skeleton.pl

This has no effect as it is not causing problems. But.

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>

installer/data/mysql/atomicupdate/skeleton.pl

@@ -11,4 +11,4 @@ return {
         # Print useful stuff here
         say $out "Update is going well so far";
     },
-}
+};