Be nicer to the MySQL user matcher

manifests/init.pp

@@ -150,7 +150,7 @@ class skadereg(
         options    => ['GRANT'],
         privileges => ['SELECT', 'INSERT', 'UPDATE', 'DELETE'],
         table      => '*.*',
-        user       => "'root'@'%'",
+        user       => 'root@%',
       }
     },
     override_options => {