Add #undef HAVE_UNISTD_H so that configure can edit it correctly.

diff --git a/src/config.in b/src/config.in
index f3af96cf3466ca1de6915723aa59fc237cb5fe1a..2137944574110717cf32f412ec3177cebfdb215e 100644 (file)
--- a/src/config.in
+++ b/src/config.in
@@ -83,6 +83,7 @@ and this notice must be preserved on all copies.  */
    configure.in.  */
 #undef HAVE_SYS_TIMEB_H
 #undef HAVE_SYS_TIME_H
+#undef HAVE_UNISTD_H
 #undef STDC_HEADERS
 #undef TIME_WITH_SYS_TIME