Merge pull request #1242 from ajv-validator/refactor

ignore proto properties

Author: epoberezkin

lib/dot/dependencies.jst

@@ -19,6 +19,7 @@
     , $ownProperties = it.opts.ownProperties;
 
   for ($property in $schema) {
+    if ($property == '__proto__') continue;
     var $sch = $schema[$property];
     var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
     $deps[$property] = $sch;