Better error message than   Can't locate object method "new" via package "Qpsmtpd::Plugin::logging::warn"  (perhaps you forgot to load "Qpsmtpd::Plugin::logging::warn"?) if plugin cannot be found in @plugin_dirs
Better error message than 
 Can't locate object method "new" via package "Qpsmtpd::Plugin::logging::warn"
 (perhaps you forgot to load "Qpsmtpd::Plugin::logging::warn"?)
if plugin cannot be found in @plugin_dirs


git-svn-id: 5bd49132847c26fb0bf09d36ee8823e0080b2740@762 958fd67b-6ff1-0310-b445-bb7760255be9

smtpd/qpsmtpd,priyadi/qpsmtpd,msimerson/qpsmtpd,sieutruc/qpsmtpd,smtpd/qpsmtpd,msimerson/qpsmtpd,vetinari/qpsmtpd,vetinari/qpsmtpd,sieutruc/qpsmtpd,sieutruc/qpsmtpd,priyadi/qpsmtpd,salvis/qpsmtpd,salvis/qpsmtpd,priyadi/qpsmtpd