Small syntax cleanup.

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.229 2003/01/07 06:37:51 momjian Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.230 2003/01/07 06:43:20 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -788,7 +788,7 @@ AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
 
 # This exports HAVE_IPV6 to both C files and Makefiles
 AC_CHECK_FUNC(getaddrinfo,
-             [AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_len],
+             [AC_CHECK_MEMBERS(struct sockaddr_in6.sin6_len,
              [HAVE_IPV6="yes"; AC_DEFINE(HAVE_IPV6, 1, [])], [],
 [#include <sys/socket.h>
 #include <netdb.h>])],