vtkhdf5: don't expect timezone with VS2015

It went away?

ThirdParty/hdf5/vtkhdf5/config/cmake/ConfigureChecks.cmake

@@ -183,7 +183,9 @@ if (WINDOWS)
   endif (NOT UNIX AND NOT CYGWIN AND NOT MINGW)
   set (H5_HAVE_FUNCTION 1)
   set (H5_GETTIMEOFDAY_GIVES_TZ 1)
-  set (H5_HAVE_TIMEZONE 1)
+  if (NOT MSVC14)
+    set (H5_HAVE_TIMEZONE 1)
+  endif ()
   set (H5_HAVE_GETTIMEOFDAY 1)
   set (H5_LONE_COLON 0)
   if (MINGW)