[libxslt] Also check for glibtoolize in autogen.sh

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 427b8e707600185d2c83e7061ed278269fe84ec4
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Wed Mar 30 23:47:47 2022 +0200

    Also check for glibtoolize in autogen.sh
    
    Fixes build on macOS.

 autogen.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/autogen.sh b/autogen.sh
index ec3378d2..18ca3e93 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -16,7 +16,8 @@ DIE=0
        DIE=1
 }
 
-(libtoolize --version) < /dev/null > /dev/null 2>&1 || {
+(libtoolize --version) < /dev/null > /dev/null 2>&1 ||
+(glibtoolize --version) < /dev/null > /dev/null 2>&1 || {
        echo
        echo "You must have libtool installed to compile libxslt."
        echo "Download the appropriate package for your distribution,"