Fix incorrect client return type for verbose

The client macro for getrawmempool has two associated types. The client
macro for the verbose type was set to return the non verbose type.

Change the return type for the macro to GetRawMempoolVerbose.

Author: jamillambert

client/src/client_sync/v17/blockchain.rs

@@ -230,7 +230,7 @@ macro_rules! impl_client_v17__get_raw_mempool {
                 // Equivalent to self.call("getrawmempool", &[into_json(false)?])
                 self.call("getrawmempool", &[])
             }
-            pub fn get_raw_mempool_verbose(&self) -> Result<GetRawMempool> {
+            pub fn get_raw_mempool_verbose(&self) -> Result<GetRawMempoolVerbose> {
                 self.call("getrawmempool", &[into_json(true)?])
             }
         }