In writeJSON (grunt), use CRLF on Windows (#13458)

Author: Marcel Gerber

tasks/lib/common.js

@@ -30,10 +30,6 @@ module.exports = function (grunt) {
         path        = require("path"),
         _platform;
 
-    function writeJSON(grunt, path, obj) {
-        grunt.file.write(path, JSON.stringify(obj, null, "    "));
-    }
-
     function resolve(relPath) {
         return path.resolve(process.cwd(), relPath);
     }
@@ -51,6 +47,14 @@ module.exports = function (grunt) {
 
         return _platform;
     }
+    
+    function writeJSON(grunt, path, obj) {
+        var content = JSON.stringify(obj, null, "    ");
+        if (platform() === "win") {
+            content = content.split("\n").join("\r\n");
+        }
+        grunt.file.write(path, content);
+    }
 
     common.writeJSON    = writeJSON;
     common.resolve      = resolve;