maketgz: generate date stamp with LC_TIME=C

#                            | (__| |_| |  _ <| |___

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#

# Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.

# Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.

#

# This software is licensed as described in the file COPYING, which

# you should have received as part of this distribution. The terms

CHEADER=src/tool_version.h

# requires a date command that knows -u for UTC time zone

datestamp=`date -u`

datestamp=`LC_TIME=C date -u`

# Replace version number in header file:

sed -e 's/^#define LIBCURL_VERSION .*/#define LIBCURL_VERSION "'$libversion'"/g' \