Fix pg_restore -l with the directory archive to display the correct format name.

MasaoFujii · MasaoFujii · commit f69aece6f475 · 2013-06-16T05:07:02.000+09:00
Back-patch to 9.1 where the directory archive was introduced.
diff --git a/src/bin/pg_dump/pg_backup_archiver.c b/src/bin/pg_dump/pg_backup_archiver.c
@@ -885,6 +885,9 @@ PrintTOCSummary(Archive *AHX, RestoreOptions *ropt)
 		case archCustom:
 			fmtName = "CUSTOM";
 			break;
+		case archDirectory:
+			fmtName = "DIRECTORY";
+			break;
 		case archTar:
 			fmtName = "TAR";
 			break;
