Index: xdelta-1.1.4/xdelta.m4
--- xdelta-1.1.4/xdelta.m4.orig	2001-06-12 05:16:37 +0200
+++ xdelta-1.1.4/xdelta.m4	2008-07-12 14:42:21 +0200
@@ -4,7 +4,7 @@
 dnl AM_PATH_XDELTA([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 dnl Test for XDELTA, and define XDELTA_CFLAGS and XDELTA_LIBS, if "gmodule" or
 dnl
-AC_DEFUN(AM_PATH_XDELTA,
+AC_DEFUN([AM_PATH_XDELTA],
 [dnl
 dnl Get the cflags and libraries from the xdelta-config script
 dnl