Fixed customer can't login after registering through PayPal Express Checkout (#3979)

Author: fballiano

app/code/core/Mage/Paypal/Model/Express/Checkout.php

@@ -986,6 +986,7 @@ protected function _prepareNewCustomerQuote()
         $customer->setSuffix($quote->getCustomerSuffix());
         $customer->setPassword($customer->decryptPassword($quote->getPasswordHash()));
         $customer->setPasswordHash($customer->hashPassword($customer->getPassword()));
+        $customer->setPasswordCreatedAt(time());
         $customer->save();
         $quote->setCustomer($customer);
         $quote->setPasswordHash('');