Remove configure probe for wctype.h.
This header is present in SUSv2 and Windows.
Also remove the inclusion of <wchar.h>, following clues that it was only
included for the benefit of historical systems that didn't have
<wctype.h>.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CA%2BhUKGKAmTgbg_hMiGG5T7pkpzOnY1cWFAHYtZXHCpqeC_hCkA%40mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/634a89c7082538e9521a97e5e92126090b68645c
Modified Files
--------------
configure | 2 +-
configure.ac | 1 -
src/backend/utils/adt/formatting.c | 8 --------
src/include/pg_config.h.in | 3 ---
src/include/regex/regcustom.h | 8 --------
src/include/tsearch/ts_locale.h | 10 +---------
src/tools/msvc/Solution.pm | 1 -
7 files changed, 2 insertions(+), 31 deletions(-)