minor fix on ecocash processor

src/main/java/zw/qantra/tm/domain/services/processors/payments/EcocashRemotePaymentProcessor.java

@@ -49,7 +49,7 @@ public class EcocashRemotePaymentProcessor implements TransactionProcessorInterf
 
         String concat = clientId+
             encryptionKey+
-            transaction.getCreditPhone()+
+            transaction.getDebitPhone()+
                 totalAmount;
 
         String hex = getHash(concat);