Bug 18018 - WWW:CSRF is missing in PerlDependencies.pm

Bug 18018 - WWW:CSRF is missing in PerlDependencies.pm

WWW:CSRF is missing in PerlDependencies.pm and so
libwww-csrf-perl is missing in PerlDependencies.pm
missing in debian/control.

This patch adds both.

NOTE: Tested on top of 17111.
      Checked
      ./koha_perl_deps.pl -m -u
      before and after. Control file eyeballs well.
      git diff origin/master -- debian/control
      does not differ in this change. :)

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Mason James <mtj@kohaaloha.com>