boot: fix `bootctl install` segfault (#4404)

diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c
index ee6d7eb864cdf9855b24a5e24dcab58093f62586..13cf7e94f07fa2b7376ae400f6adce76096cc918 100644 (file)
--- a/src/boot/bootctl.c
+++ b/src/boot/bootctl.c
@@ -621,7 +621,8 @@ static const char *efi_subdirs[] = {
         "EFI/systemd",
         "EFI/BOOT",
         "loader",
-        "loader/entries"
+        "loader/entries",
+        NULL
 };
 
 static int create_dirs(const char *esp_path) {