dnl GNUPG_CHECK_TYPEDEF(TYPE, HAVE_NAME [, COMMENT])
dnl Check whether a typedef exists and create a #define $2 if it exists
dnl
-AC_DEFUN(GNUPG_CHECK_TYPEDEF,
+AC_DEFUN([GNUPG_CHECK_TYPEDEF],
[ AC_MSG_CHECKING(for $1 typedef)
AC_CACHE_VAL(gnupg_cv_typedef_$1,
[AC_TRY_COMPILE([#include <stdlib.h>