po/POTFILES.in: Rename 'lib/trigdeferred.c' to 'lib/trigdeferred.l'

The latter is the actual source. Fixes a build failure when updating
the pot file and top_srcdir != top_builddir.

po/ChangeLog

@@ -1,3 +1,7 @@
+2008-04-01  Guillem Jover  <guillem@debian.org>
+
+	* POTFILES.in: Rename 'lib/trigdeferred.c' to 'lib/trigdeferred.l'.
+
 2008-03-31  Deng Xiyue  <manphiz-guest@users.alioth.debian.org>
 
 	* zh_CN.po: Updated to 984t

po/POTFILES.in

@@ -19,7 +19,7 @@ lib/parse.c
 lib/parsehelp.c
 lib/showpkg.c
 lib/tarfn.c
-lib/trigdeferred.c
+lib/trigdeferred.l
 lib/triglib.c
 lib/utils.c
 lib/varbuf.c