Fix a typo in slot.c

[Masahiko Sawada]

Hi,

I've attached the patch for $subject. The old comment seems to be
borrowed from WalSndShmemInit().

Regards,

-- 
Masahiko Sawada            http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

fix_typo.patch
Description: Binary data