Using os.EOL instead of \n in generated output

Tests now pass on Windows.

Author: smrq

nginject-comments.js

@@ -1,5 +1,6 @@
 "use strict";
 
+const os = require("os");
 const is = require("simple-is");
 const fmt = require("simple-fmt");
 
@@ -82,7 +83,7 @@ function visitNodeFollowingNgInjectComment(node, ctx) {
 
     function addRemoveInjectArray(params, posAfterFunctionDeclaration, name) {
         const indent = getIndent(posAfterFunctionDeclaration);
-        const str = fmt("\n{0}{1}.$inject = {2};", indent, name, ctx.stringify(params, ctx.quot));
+        const str = fmt("{0}{1}{2}.$inject = {3};", os.EOL, indent, name, ctx.stringify(params, ctx.quot));
 
         ctx.triggers.add({
             pos: posAfterFunctionDeclaration,