Fix bad function arguments (#1682)

src/thin_client.rs

@@ -708,9 +708,8 @@ mod tests {
             leader_keypair,
             leader_vote_account_keypair.clone(),
             bank,
-            0,
             entry_height,
-            &genesis_entries,
+            &genesis_entries.last().unwrap().id,
             leader,
             None,
             &ledger_path,