Unbreak allbareconfig.
diff --git a/shell/hush.c b/shell/hush.c
index 230b0fb..cea1d3c 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -2664,11 +2664,8 @@
 
 	/* Initialize some more globals to non-zero values */
 	set_cwd();
-#ifdef CONFIG_FEATURE_COMMAND_EDITING
-	cmdedit_set_initial_prompt();
-#else
-	PS1 = NULL;
-#endif
+    if (ENABLE_FEATURE_COMMAND_EDITING) cmdedit_set_initial_prompt();
+	else PS1 = NULL;
 	PS2 = "> ";
 
 	/* initialize our shell local variables with the values