Bug 19560: Correctly escape branchcode in admin/branches.pl

Bug 19560: Correctly escape branchcode in admin/branches.pl

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit d9735ae0d8aff9ca405674df3d2b03183e0883b6)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit a69b874ee64737c7bbd59aa739e981b3fe61a944)
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>