prevent including js-beautify in the browser

lib/compile/index.js

@@ -4,7 +4,7 @@ var resolve = require('./resolve')
   , util = require('./util')
   , equal = require('./equal');
 
-try { var beautify = require('js-beautify').js_beautify; } catch(e) {}
+try { var beautify = require('' + 'js-beautify').js_beautify; } catch(e) {}
 
 var RULES = require('./rules')
   , validateGenerator = require('../dotjs/validate');

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ajv",
-  "version": "0.5.9",
+  "version": "0.5.10",
   "description": "Another JSON Schema Validator",
   "main": "lib/ajv.js",
   "scripts": {