[LyX/master] Account for unicode chars in tempdir path on Windows

[Enrico Forestieri]

commit a5377ead20682df741e9225fd54acf2799912973
Author: Enrico Forestieri <for...@lyx.org>
Date:   Tue Mar 28 12:05:52 2017 +0200

    Account for unicode chars in tempdir path on Windows
---
 src/Buffer.cpp |    2 +-
 src/output.cpp |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index a20b4da..a966f6d 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -1313,7 +1313,7 @@ Buffer::ReadStatus Buffer::convertLyXFormat(FileName 
const & fn,
        command << os::python()
                << ' ' << quoteName(lyx2lyx.toFilesystemEncoding())
                << " -t " << convert<string>(LYX_FORMAT)
-               << " -o " << quoteName(tmpfile.toFilesystemEncoding())
+               << " -o " << quoteName(tmpfile.toSafeFilesystemEncoding())
                << ' ' << quoteName(fn.toSafeFilesystemEncoding());
        string const command_str = command.str();
 
diff --git a/src/output.cpp b/src/output.cpp
index 149ba78..f1369e5 100644
--- a/src/output.cpp
+++ b/src/output.cpp
@@ -30,7 +30,7 @@ namespace {
 template<typename OFStream>
 bool doOpenFileWrite(OFStream & ofs, FileName const & fname)
 {
-       ofs.open(fname.toFilesystemEncoding().c_str());
+       ofs.open(fname.toSafeFilesystemEncoding(os::CREATE).c_str());
        if (ofs)
                return true;
        docstring const file = fname.displayName(50);