fix comment typo in xlogprefetcher.c - Mailing list pgsql-hackers

Hello

I found a comment typo in xlogprefetcher.c.

Any thoughts?

--- a/src/backend/access/transam/xlogprefetcher.c

+++ b/src/backend/access/transam/xlogprefetcher.c

@@ -19,7 +19,7 @@

  * avoid a second buffer mapping table lookup.

  *

  * Currently, only the main fork is considered for prefetching.  Currently,

- * prefetching is only effective on systems where BufferPrefetch() does

+ * prefetching is only effective on systems where PrefetchBuffer() does

  * something useful (mainly Linux).

  *

  *-------------------------------------------------------------------------

regards sho kato