Better logic to determine is_read status when generating board index Fixes #1734
Better logic to determine is_read status when generating board index
Fixes #1734

Signed-off-by: Jon Stovell <5fe09b7d9f00fd95250ae2a73993b352b084988d@gmail.com>

Improves performance when countChildBoards is enabled

Signed-off-by: Jon Stovell <5fe09b7d9f00fd95250ae2a73993b352b084988d@gmail.com>

StealthWombat/SMF2.1-more-forkery,StealthWombat/SMF2.1-more-forkery