DepotDownloader: Fixed hang when using both -game and -listdepots with credentials.

DepotDownloader/Program.cs

@@ -191,23 +191,22 @@ namespace DepotDownloader
                         var depotName = CDRManager.GetDepotName( depot );
                         Console.WriteLine( "{0} - {1}", depot, depotName );
                     }
-
-                    return;
                 }
-
+                else
+                {
                     foreach ( int currentDepotId in depotIDs )
                     {
                         depotVersion = CDRManager.GetLatestDepotVersion(currentDepotId, ContentDownloader.Config.PreferBetaVersions);
                         if ( depotVersion == -1 )
                         {
                             Console.WriteLine( "Error: Unable to find DepotID {0} in the CDR!", currentDepotId );
-                        ContentDownloader.ShutdownSteam3();
+                            break;
-                        return;
                         }
 
                         ContentDownloader.DownloadDepot(currentDepotId, depotVersion);
                     }
                 }
+            }
 
             ContentDownloader.ShutdownSteam3();
         }