Removed semicolon which caused a fatal syntax error. Now the plugin can export...

Removed semicolon which caused a fatal syntax error. Now the plugin can export the attachments as well and it works.

Kernel/System/TicketExport.pm

@@ -26,7 +26,7 @@ sub new {
     QueueObject   => $Kernel::OM->Get('Kernel::System::Queue'),
     TicketObject  => $Kernel::OM->Get('Kernel::System::Ticket'),
     UserObject    => $Kernel::OM->Get('Kernel::System::User'),
-    MainObject    => $Kernel::OM->Get('Kernel::System::Main');
+    MainObject    => $Kernel::OM->Get('Kernel::System::Main')
   };
   bless($Self, $Type);
   return $Self;