$OpenBSD: patch-log4c_m4,v 1.1 2012/06/27 11:58:56 jasper Exp $

Fix a warning:
warning: underquoted definition of AM_PATH_LOG4c

--- log4c.m4.orig	Wed Jun 27 13:56:25 2012
+++ log4c.m4	Wed Jun 27 13:56:39 2012
@@ -4,7 +4,7 @@
 dnl AM_PATH_LOG4C([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
 dnl Test for LOG4C, and define LOG4C_CFLAGS and LOG4C_LIBS
 dnl
-AC_DEFUN(AM_PATH_LOG4C,
+AC_DEFUN([AM_PATH_LOG4C],
 [dnl 
 dnl Get the cflags and libraries from the log4c-config script
 dnl
