libbb: introduce and use xrename and rename_or_warn.
diff --git a/editors/patch.c b/editors/patch.c
index 07fa5cf..1b283a1 100644
--- a/editors/patch.c
+++ b/editors/patch.c
@@ -150,10 +150,7 @@
backup_filename = xmalloc(strlen(new_filename) + 6);
strcpy(backup_filename, new_filename);
strcat(backup_filename, ".orig");
- if (rename(new_filename, backup_filename) == -1) {
- bb_perror_msg_and_die("cannot create file %s",
- backup_filename);
- }
+ xrename(new_filename, backup_filename);
dst_stream = xfopen(new_filename, "w");
}