www/e2guardian: Fix DEBUG option
e2guardian configure script doesn't respect --without-dgdebug option and
end up building binary with debug support since it was upgraded to 5.3.1.
Pass --with-dgdebug=off explicit when DEBUG option is not set. While
here, include --with-newdebug parameter to make sure all debug will be
Approved by: Marcello Coutinho <firstname.lastname@example.org> (maintainer)
Sponsored by: Rubicon Communications, LLC (Netgate)