Initial pgindent and pgperltidy run for v14.

Also "make reformat-dat-files".

The only change worthy of note is that pgindent messed up the formatting
of launcher.c's struct LogicalRepWorkerId, which led me to notice that
that struct wasn't used at all anymore, so I just took it out.

src/backend/storage/file/fd.c

@@ -3288,7 +3288,7 @@ looks_like_temp_rel_name(const char *name)
 static void
 do_syncfs(const char *path)
 {
-	int		fd;
+	int			fd;
 
 	fd = OpenTransientFile(path, O_RDONLY);
 	if (fd < 0)
@@ -3394,7 +3394,7 @@ SyncDataDirectory(void)
 			do_syncfs("pg_wal");
 		return;
 	}
-#endif		/* !HAVE_SYNCFS */
+#endif							/* !HAVE_SYNCFS */
 
 	/*
 	 * If possible, hint to the kernel that we're soon going to fsync the data