Release version 1.4.17

* gnulib: Update to lastest for assorted OS X fixes.
* NEWS: Set the release date.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>
diff --git a/NEWS b/NEWS
index 2240772..39082b8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,6 @@
 GNU M4 NEWS - User visible changes.
 
-* Noteworthy changes in release 1.4.17 (2013-01-??) [stable]
+* Noteworthy changes in release 1.4.17 (2013-09-22) [stable]
 
 ** Fix compilation with newer glibc headers.
 
diff --git a/gnulib b/gnulib
index 6f2d632..798e9bc 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit 6f2d632522fd8a6277c75f5b8dfce96ed794236e
+Subproject commit 798e9bc8b86c1032105682771539bae4ea1e9128