From 83c8f02d26dddd5f571747d1aa11923529bf43a2 Mon Sep 17 00:00:00 2001
From: rasmus <rasmus@unknown>
Date: Fri, 24 Dec 1999 19:04:40 +0000
Subject: [PATCH] Submitted by:	Sascha Schumann <sascha@schumann.cx> Reviewed
 by:	Rasmus Lerdorf

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84368 13f79535-47bb-0310-9956-ffa450edef68
---
 acinclude.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acinclude.m4 b/acinclude.m4
index 6ab9ca7e07..5fbbd82443 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -87,7 +87,7 @@ dnl
 dnl execute code, if variable is not set in namespace
 dnl
 AC_DEFUN(APACHE_ONCE,[
-  unique=`echo $ac_n "$2$ac_c" | tr -c -d a-zA-Z0-9`
+  unique=`echo $ac_n "$2$ac_c" | tr -cd a-zA-Z0-9`
   cmd="echo $ac_n \"\$$1$unique$ac_c\""
   if test -n "$unique" && test "`eval $cmd`" = "" ; then
     eval "$1$unique=set"
-- 
2.40.0