Fix horrible misspelling of "IDENTIFIER"

src/main/edu/wisc/services/cbs/common/MagentoOrder.php

@@ -28,7 +28,7 @@ abstract class MagentoOrder
     const INSTITUTIONAL_IDENTIFIER_TYPE = 'DNUMBER';
 
     /** @var string Payment type for credit card orders */
-    const CREDIT_CARD_ITDENTIFER_TYPE = 'CREDIT CARD';
+    const CREDIT_CARD_IDENTIFIER_TYPE = 'CREDIT CARD';
 
     /** @var string 'Sales Rep' who sold this order (online, so Magento) */
     const SALES_REP = 'Magento';