pgsql: Fix off-by-one bug in LWLockRegisterTranche().

Fix off-by-one bug in LWLockRegisterTranche().

Original coding failed to enlarge the array as required if
the requested tranche_id was equal to LWLockTranchesAllocated.

In passing, fix poor style of not casting the result of (re)palloc.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/4bfc5f1396b18da3a0db73e4406badc4ce793a1e

Modified Files
--------------
src/backend/storage/lmgr/lwlock.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers