Use POSIX compatible tr arguments in autogen.sh

git-svn-id: https://svn.musicpd.org/mpd/trunk@7038 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 1 insertions, 1 deletions

diff --git a/autogen.sh b/autogen.sh
index 34dbf340..6a76598c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -42,7 +42,7 @@ versioned_bins ()
 
 for c in autoconf autoheader automake aclocal
 do
-	uc=`echo $c | tr a-z A-Z`
+	uc=`echo $c | tr '[:lower:]' '[:upper:]'`
 	eval "val=`echo '$'$uc`"
 	if test -n "$val"
 	then