Bug 1380083 Change backslaches to forward slashes. Upstream: http://bugs.icu-project.org/trac/changeset/40102

diff --git a/intl/icu/source/common/putil.cpp b/intl/icu/source/common/putil.cpp
--- a/intl/icu/source/common/putil.cpp
+++ b/intl/icu/source/common/putil.cpp
@@ -96,25 +96,25 @@
 #   define WIN32_LEAN_AND_MEAN
 #endif
 #   define VC_EXTRALEAN
 #   define NOUSER
 #   define NOSERVICE
 #   define NOIME
 #   define NOMCX
 #   include <windows.h>
-#   include "unicode\uloc.h"
+#   include "unicode/uloc.h"
 #if U_PLATFORM_HAS_WINUWP_API == 0
 #   include "wintz.h"
 #else // U_PLATFORM_HAS_WINUWP_API
 typedef PVOID LPMSG; // TODO: figure out how to get rid of this typedef
 #include <Windows.Globalization.h>
 #include <windows.system.userprofile.h>
-#include <wrl\wrappers\corewrappers.h>
-#include <wrl\client.h>
+#include <wrl/wrappers/corewrappers.h>
+#include <wrl/client.h>

 using namespace ABI::Windows::Foundation;
 using namespace Microsoft::WRL;
 using namespace Microsoft::WRL::Wrappers;
 #endif
 #elif U_PLATFORM == U_PF_OS400
 #   include <float.h>
 #   include <qusec.h>       /* error code structure */