Use fully qualified path to tvrenamer (works when run from any working directory)

source/lib/DownloadDispatcher/Source/Plugin/TV.class.php

@@ -300,10 +300,9 @@ class DownloadDispatcher_Source_Plugin_TV extends DownloadDispatcher_Source_Plug
     }
     
     protected function renameOutput($dir) {
-        $cwd = getcwd();
+        $lib3rdparty = DownloadDispatcher_Lib . '../3rdparty/'; 
-        
         $command = <<<EOSH
-        {$cwd}/3rdparty/tvrenamer/tvrenamer.pl \
+        {$lib3rdparty}tvrenamer/tvrenamer.pl \
             --include_series \
             --nogroup \
             --pad=2 \