(HAVE_TZNAME): Add #undef.

diff --git a/src/config.in b/src/config.in
index 3bfff7f585397864ce74315d1b65e6fc67466036..abb3f11491866871cbade2442a3628b13d670ab9 100644 (file)
--- a/src/config.in
+++ b/src/config.in
@@ -88,6 +88,7 @@ and this notice must be preserved on all copies.  */
 #undef HAVE_DUP2
 #undef HAVE_RENAME
 #undef HAVE_TM_ZONE
+#undef HAVE_TZNAME
 #undef TM_IN_SYS_TIME
 #undef STDC_HEADERS
 #undef TIME_WITH_SYS_TIME