[PATCH libXfont] config: remove protection for AS_HELP_STRING for old autoconf

[Gaetan Nadon]

No longer needed as modules will not configure with 2.57.
AS_HELP_STRING was introduced in 2.58. The minimum level
is now 2.60.

Signed-off-by: Gaetan Nadon <memsize at videotron.ca>
---
 configure.ac |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index c75a041..852124a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@ dnl  PERFORMANCE OF THIS SOFTWARE.
 dnl
 dnl Process this file with autoconf to create configure.
 
-AC_PREREQ([2.57])
+AC_PREREQ([2.60])
 
 AC_INIT([libXfont],
 	1.4.1,
@@ -57,8 +57,6 @@ PKG_PROG_PKG_CONFIG
 AC_CHECK_HEADERS([endian.h poll.h sys/poll.h])
 AC_CHECK_FUNCS([poll])
 
-m4_ifdef([AS_HELP_STRING], , [m4_define([AS_HELP_STRING], m4_defn([AC_HELP_STRING]))])
-
 #
 # select libraries to include
 #
-- 
1.6.0.4