Fixed: Delphi 7 Access Violation when opening a unit

Source/UnSwDefines.inc

@@ -1,4 +1,4 @@
-// Lowest supported version is Delphi 7. It lacks some OTA functionality
+// Lowest supprted version is Delphi 7. It lacks some OTA functionality
 // in comparison to Delphi 2006. Note that UnitSwitcher has not been tested
 // on any other Delphi version!
 {$UNDEF DELPHI7}

Source/UnSwObjects.pas

@@ -196,7 +196,7 @@ begin
     end else
       if ASource then
       begin
-        ifEditor.Show();
+        AModule.ModuleFileEditors[iModule].Show();
         break;
       end;
   {$ELSE}