samba: fixed to only enable ACL support if the acl package is effectively installed

network/samba/samba.conf

@@ -47,7 +47,9 @@ var_append extraconfopt ' ' "--with-piddir=$localstatedir/run/$pkg"
 var_append extraconfopt ' ' "--with-libsmbclient"
 
 # Windows NT/2000/XP ACL support (needs POSIX ACL support on the host)
-var_append extraconfopt ' ' "--with-acl-support"
+if pkginstalled -f acl; then
+	var_append extraconfopt ' ' "--with-acl-support"
+fi
 
 # support for the automounter
 var_append extraconfopt ' ' "--with-automount"