--- po/Makefile.in.in.orig	2008-03-02 17:23:22.000000000 +0100
+++ po/Makefile.in.in	2008-03-14 14:12:46.000000000 +0100
@@ -21,6 +21,7 @@
 
 srcdir = @srcdir@
 top_srcdir = @top_srcdir@
+top_builddir = $(top_srcdir)
 VPATH = @srcdir@
 
 prefix = @prefix@