Bug 28013: (follow-up) Reset the patron loop

To test:
1 - Apply all other patches and dependencies
2 - prove -v t/db_dependent/Circulation.t
3 - It fails
4 - Apply this patch
5 - It passes

Signed-off-by: Joonas Kylmälä <joonas.kylmala@helsinki.fi>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

C4/Circulation.pm

@@ -2926,6 +2926,7 @@ sub CanBookBeRenewed {
                     }
                     last;
                 }
+                $patrons->reset;
             }
         }
     }