Modified test for tzset to not rely on tm->tm_zone's existence.  Also added
sanity checks on tzname if HAVE_TZNAME defined.

Closes bug #1096244.  Thanks Gregory Bond.
diff --git a/Misc/NEWS b/Misc/NEWS
index 9d3e9c0..6692fab 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -161,6 +161,11 @@
   ``-L/opt/local/lib`` for DarwinPorts) and CPPFLAGS (``-I/sw/include`` for
   Fink, ``-I/opt/local/include`` for DarwinPorts).
 
+- Test in configure.in that checks for tzset no longer dependent on tm->tm_zone
+  to exist in the struct (not required by either ISO C nor the UNIX 2 spec).
+  Tests for sanity in tzname when HAVE_TZNAME defined were also defined.
+  Closes bug #1096244.  Thanks Gregory Bond.
+
 
 C API
 -----