[PATCH STABLE] test-check-code-hg: fix xargs exit status on OSX

[Christian Ebert]

* Patrick Mezard on Thursday, February 23, 2012 at 17:52:10 +0100
> # HG changeset patch
> # User Patrick Mezard <patrick at mezard.eu>
> # Date 1330015617 -3600
> # Branch stable
> # Node ID e4009152b804009bab8de45c5cfe899a16e1084b
> # Parent  616c2e278f18984dc48b80bc56b55da626130709
> test-check-code-hg: fix xargs exit status on OSX
> 
> When xargs subcommand invocation fails in a normal way, GNU xargs returns 123
> and BSD one returns 1.

Ah good, I don't need to polish my commit message for the same
patch anymore. Thanks.

c
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