commit https://github.com/vim/vim/commit/2bc127f94016801250f8f24234f90a5182d77e73 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 10 13:57:40 2016 +0200 patch 7.4.2016 Problem: Warning from MinGW about _WIN32_WINNT redefined. (John Marriott) Solution: First undefine it. (Ken Takata)

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")