don't run restart command unless there is one

diff --git a/FS/FS/part_export/vpopmail.pm b/FS/FS/part_export/vpopmail.pm
index bddf175..646af44 100644 (file)
--- a/FS/FS/part_export/vpopmail.pm
+++ b/FS/FS/part_export/vpopmail.pm
@@ -220,7 +220,7 @@ sub vpopmail_sync {
   eval "use Net::SSH;";
   die $@ if $@;
 
-  ssh("vpopmail\@$machine", $restart);
+  ssh("vpopmail\@$machine", $restart) if $restart;
 }