Updating VC++ project.
Adding one include file and correct one declaration from class to struct in order to make llvm compile on VC2005.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55279 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp
index b9beac2..008f856 100644
--- a/lib/Support/raw_ostream.cpp
+++ b/lib/Support/raw_ostream.cpp
@@ -26,6 +26,7 @@
 
 #if defined(_MSC_VER)
 #include <io.h>
+#include <fcntl.h>
 #ifndef STDIN_FILENO
 # define STDIN_FILENO 0
 #endif