--- gvpe/m4/openssl.m4	2011/06/21 16:27:32	1.3
+++ gvpe/m4/openssl.m4	2013/07/10 01:51:40	1.4
@@ -1,6 +1,6 @@
 dnl Check to find the OpenSSL headers/libraries
 
-AC_DEFUN(tinc_OPENSSL,
+AC_DEFUN([tinc_OPENSSL],
 [
   tinc_ac_save_CPPFLAGS="$CPPFLAGS"