Demote failed validate_address warning.

src/bitcoin.c

@@ -43,7 +43,7 @@ bool validate_address(connsock_t *cs, const char *address, bool *script, bool *s
 	}
 
 	snprintf(rpc_req, 128, "{\"method\": \"validateaddress\", \"params\": [\"%s\"]}\n", address);
-	val = json_rpc_call(cs, rpc_req);
+	val = json_rpc_response(cs, rpc_req);
 	if (!val) {
 		/* May get a parse error with an invalid address */
 		LOGNOTICE("%s:%s Failed to get valid json response to validate_address %s",