Fix compile error when tab completion disabled

shell/ash.c

@@ -4117,7 +4117,7 @@ changepath(const char *newval)
 		firstchange = 0;
 	clearcmdentry(firstchange);
 	builtinloc = idx_bltin;
-#ifdef CONFIG_FEATURE_COMMAND_EDITING
+#ifdef CONFIG_FEATURE_COMMAND_TAB_COMPLETION
 	cmdedit_path_lookup = newval;
 #endif
 }