Fix purgeLocalCache script (#846)

lemonldap-ng-handler/example/scripts/purgeLocalCache

@@ -2,7 +2,7 @@
 #=============================================================================
 # Cleaner for LemonLDAP::NG: purge local handler cache and session cache
 #
-# This module is written to be used by cron to clean cache objects used 
+# This module is written to be used by cron to clean cache objects used
 # by Handler.
 #
 # This is part of LemonLDAP::NG product, released under GPL
@@ -25,17 +25,20 @@ my $conf = $lmconf->getLocalConf(HANDLERSECTION)
 print "Configuration loaded\n" if $debug;
 
 # Handler cache
-exit 0 unless ( $conf->{localStorage} );
-eval "require $conf->{localStorage}";
-$conf->{localStorageOptions}->{default_expires_in} ||= 600;
-my $c = $conf->{localStorage}->new( $conf->{localStorageOptions} );
-$c->purge();
+if ( $conf->{localStorage} ) {
+    eval "require $conf->{localStorage}";
+    $conf->{localStorageOptions}->{default_expires_in} ||= 600;
+    my $c = $conf->{localStorage}->new( $conf->{localStorageOptions} );
+    $c->purge();
+}
 
 # Session cache
-exit 0 unless ( $conf->{localSessionStorage} );
-eval "require $conf->{localSessionStorage}";
-$conf->{localSessionStorageOptions}->{default_expires_in} ||= 600;
-my $s = $conf->{localSessionStorage}->new( $conf->{localSessionStorageOptions} );
-$s->purge();
+if ( $conf->{localSessionStorage} ) {
+    eval "require $conf->{localSessionStorage}";
+    $conf->{localSessionStorageOptions}->{default_expires_in} ||= 600;
+    my $s =
+      $conf->{localSessionStorage}->new( $conf->{localSessionStorageOptions} );
+    $s->purge();
+}
 
 exit 0;