rename bb_default_error_retval -> xfunc_error_retval
diff --git a/libbb/error_msg_and_die.c b/libbb/error_msg_and_die.c
index 29a260b..10d9535 100644
--- a/libbb/error_msg_and_die.c
+++ b/libbb/error_msg_and_die.c
@@ -24,5 +24,5 @@
 	va_end(p);
 	if (die_sleep)
 		sleep(die_sleep);
-	exit(bb_default_error_retval);
+	exit(xfunc_error_retval);
 }