Fix warning about new enum value.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1619 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CGUIListBox.cpp

@@ -405,6 +405,7 @@ bool CGUIListBox::OnEvent(const SEvent& event)
 			break;
 		case EET_LOG_TEXT_EVENT:
 		case EET_USER_EVENT:
+		case EGUIET_FORCE_32_BIT:
 			break;
 		}
 	}