install-pdf: fix.

* gnulib: Fix install-pdf in po/ and runtime-po/.
Reported by Hans Aberg.
Fixed by Joel E. Denny.
http://lists.gnu.org/archive/html/bug-bison/2011-05/msg00008.html

bootstrap

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Print a version string.
-scriptversion=2012-02-11.09; # UTC
+scriptversion=2012-04-16.16; # UTC
 
 # Bootstrap this package from checked-out sources.
 
@@ -847,7 +847,8 @@ for file in $gnulib_extra_files; do
   esac
   symlink_to_dir "$GNULIB_SRCDIR" $file $dst || exit
 done
-
+pwd
+set -xv
 if test $with_gettext = yes; then
   # Create gettext configuration.
   echo "$0: Creating po/Makevars from po/Makevars.template ..."
@@ -863,6 +864,8 @@ if test $with_gettext = yes; then
     }
   ' po/Makevars.template >po/Makevars || exit 1
 
+  cat $build_aux/po/Makefile.in.in > po/Makefile.in.in || exit 1
+
   if test -d runtime-po; then
     # Similarly for runtime-po/Makevars, but not quite the same.
     rm -f runtime-po/Makevars