fix esy build

Author: IwanKaramazow

esy.json

@@ -32,7 +32,6 @@
     "install": [
       ["esy-installer", "reason.install"],
       ["esy-installer", "rtop.install"]
-    ],
-    "buildsInSource": "_build"
+    ]
   }
 }

src/reason-parser/reason_comment.ml

@@ -38,7 +38,7 @@ let wrap t =
   match t.text with
   | "" | "*" -> "/***/"
   | txt when Reason_syntax_util.isLineComment txt ->
-    (* single line comments of the form `// comment` have a `\n` at the end*)
+    (* single line comments of the form `// comment` have a `\n` at the end *)
     "//" ^ (String.sub txt 0 (String.length txt - 1))
   | txt when txt.[0] = '*' && txt.[1] <> '*' -> "/**" ^ txt ^ "*/"
   | txt -> "/*" ^ txt ^ "*/"