Add txSOROBAN_RESOURCE_LIMIT_EXCEEDED to the respective structs. (#91)

Author: dmkozh

Stellar-transaction.x

@@ -1922,6 +1922,7 @@ struct InnerTransactionResult
     case txBAD_SPONSORSHIP:
     case txBAD_MIN_SEQ_AGE_OR_GAP:
     case txMALFORMED:
+    case txSOROBAN_RESOURCE_LIMIT_EXCEEDED:
         void;
     }
     result;
@@ -1968,6 +1969,7 @@ struct TransactionResult
     case txBAD_SPONSORSHIP:
     case txBAD_MIN_SEQ_AGE_OR_GAP:
     case txMALFORMED:
+    case txSOROBAN_RESOURCE_LIMIT_EXCEEDED:
         void;
     }
     result;