Put unused type parameter into use

Author: nolanderc

tokio-postgres/src/transaction.rs

@@ -157,7 +157,7 @@ impl<'a> Transaction<'a> {
     /// Like `Client::execute_iter`.
     pub async fn execute_raw<'b, I, T>(
         &self,
-        statement: &Statement,
+        statement: &T,
         params: I,
     ) -> Result<u64, Error>
     where