Remove extra whitespace in pg_upgrade status message.

There's no need to add another level of indentation to this status
message.  pg_log() will put it in the right place.

Oversight in commit 347758b120.

Reviewed-by: Daniel Gustafsson
Discussion: https://postgr.es/m/ZunW7XHLd2uTts4f%40nathan
Backpatch-through: 17

src/bin/pg_upgrade/check.c

@@ -477,7 +477,7 @@ check_for_data_types_usage(ClusterInfo *cluster, DataTypesUsageChecks *checks)
 				 */
 				if (!results[checknum])
 				{
-					pg_log(PG_REPORT, "    failed check: %s", _(cur_check->status));
+					pg_log(PG_REPORT, "failed check: %s", _(cur_check->status));
 					appendPQExpBuffer(&report, "\n%s\n%s    %s\n",
 									  _(cur_check->report_text),
 									  _("A list of the problem columns is in the file:"),