Add missing icon for files with .c++ extension

app/assets/javascripts/vue_shared/components/file_icon/file_icon_map.js

@@ -128,6 +128,7 @@ const fileExtensionIcons = {
   c: 'c',
   m: 'c',
   h: 'h',
+  'c++': 'cpp',
   cc: 'cpp',
   cpp: 'cpp',
   mm: 'cpp',

changelogs/unreleased/peter-kovar-gitlab-324635-c---icon-fix.yml

+---
+title: Add missing icon for files with .c++ extension
+merge_request: 56650
+author: Peter Kovář @peter.kovar
+type: added