diff -pruN xdelta-1.1.4.orig/xdelta.m4 xdelta-1.1.4/xdelta.m4
--- xdelta-1.1.4.orig/xdelta.m4	2008-10-24 01:21:17.259349462 +1100
+++ xdelta-1.1.4/xdelta.m4	2008-10-24 01:23:04.925100371 +1100
@@ -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