[COMMITTERS] pgsql: Make slab allocator work on platforms with MAXIMUM_ALIGNOF

Make slab allocator work on platforms with MAXIMUM_ALIGNOF < sizeof(int).

Notably, m68k only needs 2-byte alignment. Per report from Christoph Berg.

Discussion: https://www.postgresql.org/message-id/20170517193957.fwntkgi6epuso5l2@msg.df7cb.de

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/94884e1c27ccd38bf494fc7f5aa46b269bbb6c9c

Modified Files
--------------
src/backend/utils/mmgr/slab.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)