Fixes unexpected behavior of (** (#346)

Author: g1eny0ung

editor-extensions/vscode/ocaml.configuration.json

@@ -4,7 +4,7 @@
     { "open": "[", "close": "]" },
     { "open": "(", "close": ")" },
     { "open": "\"", "close": "\"", "notIn": [ "string" ] },
-    { "open": "(**", "close": " *)", "notIn": [ "string" ] }
+    { "open": "(**", "close": " *", "notIn": [ "string" ] }
   ],
   "brackets": [
     [ "{", "}" ],