[PATCH] Sync top-level change from gdb

[Jeff Law]

On 6/14/19 6:15 PM, Tom Tromey wrote:
> This patch syncs a change to the top-level configury from gdb.  It
> should not affect the gcc build at all.  Tested by rebuilding.
> 
> ChangeLog
> 2019-06-14  Tom Tromey  <tom@tromey.com>
> 
> 	* configure.ac (host_libs): Add gnulib.
> 	* configure: Rebuild.
> 	* Makefile.def (host_modules, dependencies): Add gnulib.
> 	* Makefile.in: Rebuild.
OK.
jeff