Fix incidental warnings from cpluspluscheck.
authorTom Lane <tgl@sss.pgh.pa.us>
Sun, 18 Aug 2019 23:01:40 +0000 (19:01 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Sun, 18 Aug 2019 23:01:40 +0000 (19:01 -0400)
commit232720be9b6412ec2b6bee405299bcbbbe700f0b
treeae0c50c6893726b7f8c82a6f4ea8477a82d64fb5
parent5f110933e1145ad40116cf3c67a454cb6cb71cc2
Fix incidental warnings from cpluspluscheck.

Remove use of "register" keyword in hashfn.c.  It's obsolescent
according to recent C++ compilers, and no modern C compiler pays
much attention to it either.

Also fix one cosmetic warning about signed vs unsigned comparison.

Discussion: https://postgr.es/m/20518.1559494394@sss.pgh.pa.us
src/backend/utils/hash/hashfn.c
src/include/utils/expandeddatum.h
src/include/utils/hashutils.h