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iconv_convert(): return empty vector in case of empty input
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14866 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -31,6 +31,9 @@ std::vector<char>
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iconv_convert(std::string const & tocode, std::string const & fromcode,
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std::vector<char> const & buf)
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{
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if (buf.empty())
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return std::vector<char>();
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iconv_t cd = iconv_open(tocode.c_str(), fromcode.c_str());
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if (cd == (iconv_t)(-1)) {
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lyxerr << "Error returned from iconv_open" << endl;
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