Bug 1119776, Part 9: Avoid defining snprintf when MSVC provides it (harfbuzz), r=behdad

--HG--
extra : rebase_source : fe06a72a4a3b7ce51edabdb9fbefce1d3d2011e3

gfx/harfbuzz/src/hb-private.hh

@@ -94,10 +94,8 @@
 # endif
 #endif
 
-#if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER)
+#if defined(_MSC_VER) && _MSC_VER < 1900
 #define snprintf _snprintf
-/* Windows CE only has _strdup, while rest of Windows has both. */
-#define strdup _strdup
 #endif
 
 #ifdef _MSC_VER