Prevent Sympa daemon crash due to a broken plugin module.

cpanfile

@@ -95,6 +95,9 @@ requires 'List::Util::XS', '>= 1.20';
 # Note: 1.22 or later is recommended.
 requires 'Locale::Messages', '>= 1.20';
 
+# Used to load plugins
+requires 'Module::Runtime';
+
 # MHonArc is used to build Sympa web archives
 requires 'MHonArc::UTF8';
 

src/lib/Sympa/Message/Plugin.pm

@@ -30,6 +30,7 @@ package Sympa::Message::Plugin;
 use strict;
 use warnings;
 use English qw(-no_match_vars);
+use Module::Runtime qw(use_module);
 
 use Sympa::Log;
 
@@ -58,8 +59,7 @@ sub execute {
         unless $hook_module =~ /::/;
 
     unless (exists $handlers{$hook_module . '->' . $hook_name}) {
-        eval "use $hook_module;";
-        if ($EVAL_ERROR) {
+        unless (eval { use_module($hook_module); 1; }) {
             $log->syslog('err', 'Cannot load hook module %s: %s',
                 $hook_module, $EVAL_ERROR);
             return undef;