Fix typo in fd.c
The frontend version of walkdir() is defined in file_utils.c, and not
initdb.c.
Author: Sehrope Sarkuni
Discussion:
@@ -3208,7 +3208,8 @@ SyncDataDirectory(void)
*
* Errors are reported at level elevel, which might be ERROR or less.
*
- * See also walkdir in initdb.c, which is a frontend version of this logic.
+ * See also walkdir in file_utils.c, which is a frontend version of this
+ * logic.
*/
static void
walkdir(const char *path,
