tree ab43e8e82b6b589e25237c5690337f779b7cad39
parent 6f41751f4683aaf310b31b29c26e3da5f478dc07
author Andreas Fenkart <andreas.fenkart@digitalstrom.com> 1464679316 +0200
committer Tom Rini <trini@konsulko.com> 1464704590 -0400

tools/env: allow to pass NULL for environment options

If users of the library are happy with the default, e.g. config file
name. They can pass NULL as the opts pointer. This simplifies the
transition of existing library users.
FIXES a compile error. since common_args has been removed by
a previous patch

Signed-off-by: Andreas Fenkart <andreas.fenkart@digitalstrom.com>