Replace the F_Binary flag with a F_Text one.

After this I will set the default back to F_None. The advantage is that
before this patch forgetting to set F_Binary would corrupt a file on windows.
Forgetting to set F_Text produces one that cannot be read in notepad, which
is a better failure mode :-)

llvm-svn: 202052
diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp
index 2b37802..fb272ad 100644
--- a/llvm/lib/LTO/LTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/LTOCodeGenerator.cpp
@@ -191,7 +191,7 @@
 
   // create output file
   std::string ErrInfo;
-  tool_output_file Out(path, ErrInfo, sys::fs::F_Binary);
+  tool_output_file Out(path, ErrInfo, sys::fs::F_None);
   if (!ErrInfo.empty()) {
     errMsg = "could not open bitcode file for writing: ";
     errMsg += path;