From 5ea3ad4739fa06a81f1b47988aba95c8ccdce6d5 Mon Sep 17 00:00:00 2001
From: Ilia Rostovtsev <ilia@rostovtsev.io>
Date: Sat, 20 Mar 2021 13:00:33 +0300
Subject: [PATCH] Variable must be declared in strict mode

---
 virtualmin-nginx-lib.pl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/virtualmin-nginx-lib.pl b/virtualmin-nginx-lib.pl
index 1a9d3e1..c5723ba 100644
--- a/virtualmin-nginx-lib.pl
+++ b/virtualmin-nginx-lib.pl
@@ -13,6 +13,8 @@
      @list_modules_cache, @open_config_files);
 our (%config, %text, %in, $module_root_directory);
 
+my @lock_all_config_files_cache;
+
 # get_config()
 # Parses the Nginx config file into an array ref
 sub get_config