Merge Revision revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6726 from MySQL InnoDB
Original revid:svn-v4:16c675df-0fcb-4bc9-8058-dcc011a37293:branches/zip:6726
Original Authors: marko
Original commit message:
branches/zip: FIL_PAGE_FILE_FLUSH_LSN: Note that the field is only valid
for the first page of each ibdata* file, not *.ibd files.
Suggested by Heikki, in connection with the LSN warning noted in Issue #341.