git subrepo commit mailcow/src/mailcow-dockerized

subrepo: subdir:   "mailcow/src/mailcow-dockerized"
  merged:   "308860af"
upstream: origin:   "https://github.com/mailcow/mailcow-dockerized.git"
  branch:   "master"
  commit:   "3f1a5af8"
git-subrepo: version:  "0.4.5"
  origin:   "???"
  commit:   "???"
Change-Id: I5d51c14b45db54fe706be40a591ddbfcea50d4b0
diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/polyfill-mbstring/composer.json b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/polyfill-mbstring/composer.json
index 2ed7a74..1fa21ca 100644
--- a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/polyfill-mbstring/composer.json
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/symfony/polyfill-mbstring/composer.json
@@ -18,6 +18,9 @@
     "require": {
         "php": ">=7.1"
     },
+    "provide": {
+        "ext-mbstring": "*"
+    },
     "autoload": {
         "psr-4": { "Symfony\\Polyfill\\Mbstring\\": "" },
         "files": [ "bootstrap.php" ]