app/testpmd: improve flow command debug

print function name in port_flow_complain()

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

app/test-pmd/config.c

@@ -1303,7 +1303,7 @@ port_flow_complain(struct rte_flow_error *error)
 		errstr = "unknown type";
 	else
 		errstr = errstrlist[error->type];
-	printf("Caught error type %d (%s): %s%s: %s\n",
+	printf("%s(): Caught PMD error type %d (%s): %s%s: %s\n", __func__,
 	       error->type, errstr,
 	       error->cause ? (snprintf(buf, sizeof(buf), "cause: %p, ",
 					error->cause), buf) : "",