Build: Unit test ScFiltersTest::testUnicodeFileNameGnumeric() fails when LANG=en_US.iso88591

[Stephan Bergmann]

On 08/20/2017 05:59 PM, Ulrich Gemkow wrote:
> when building current master in Ubuntu 16.04 in a console
> where LANG is set to US.iso88591 the unit test
> ScFiltersTest::testUnicodeFileNameGnumeric()
> in sc/qa/unit/subsequent_filters-test.cxx fails with the
> following assertion:

should be fixed with 
<https://cgit.freedesktop.org/libreoffice/core/commit/?id=9a19e96d0d9df032d51748c02adb4fe778291afd> 
"ScFiltersTest::testUnicodeFileNameGnumeric only works with UTF-8"