commit https://github.com/vim/vim/commit/f97ddbeb255c64a2b3d9db4b049278cd286070a6 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 27 21:13:38 2016 +0100 patch 7.4.1439 Problem: Using uninitialzed variable. Solution: Initialize vc_type.

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done