fixed link to latest native awk.

# ***************************************************************************

# awk script which fetches curl / ares version number and string from input

# file and writes them to STDOUT. Here you can get an awk version for Win32:

# http://www.gknw.net/development/prgtools/awk.zip

# http://www.gknw.net/development/prgtools/awk-20070501.zip

#

BEGIN {

  if (match (ARGV[1], /curlver.h/)) {