updated FSF contact address in m4/ltdl/m4/m4-gnulib.m4

[Paul Eggert]

I installed this obvious fix:

2005-07-07  Paul Eggert  <address@hidden>

        * ltdl/m4/m4-gnulib.m4: Update FSF contact address.  Somehow this
        file escaped the address updates on 2005-05-01.

--- ltdl/m4/m4-gnulib.m4        4 May 2005 15:45:44 -0000       1.1
+++ ltdl/m4/m4-gnulib.m4        7 Jul 2005 16:27:28 -0000
@@ -14,9 +14,9 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301  USA
 
 # Written by Gary V. Vaughan <address@hidden>