--- a/src/engine_gui.cpp	Thu Jan 11 13:41:16 2007 +0000
+++ b/src/engine_gui.cpp	Mon Jan 15 20:14:06 2007 +0000
@@ -24,6 +24,7 @@
 			case RAILTYPE_ELECTRIC: return STR_8102_RAILROAD_LOCOMOTIVE;
 			case RAILTYPE_MONO:     return STR_8106_MONORAIL_LOCOMOTIVE;
 			case RAILTYPE_MAGLEV:   return STR_8107_MAGLEV_LOCOMOTIVE;
+			default: NOT_REACHED();
 		}
 	}