Add missing libxkbfile

com.visualstudio.code.oss.json

@@ -27,6 +27,16 @@
                 }
             ]
         },
+        {
+            "name": "libxkbfile",
+            "sources": [
+                {
+                    "type": "archive",
+                    "url": "https://www.x.org/releases/individual/lib/libxkbfile-1.0.9.tar.gz",
+                    "sha256": "95df50570f38e720fb79976f603761ae6eff761613eb56f258c3cb6bab4fd5e3"
+                }
+            ]
+        },
         {
             "name": "vscode",
             "build-options": {