build: Make install_with_python.sh more portable

Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/install_with_python.sh b/install_with_python.sh
index 5d3beaa96269d0f8404e9b5d8ced9d820f8b2129..47ff78018003793a4d7eab05b115e78db3cc7511 100755 (executable)
--- a/install_with_python.sh
+++ b/install_with_python.sh
@@ -31,7 +31,7 @@ do_install_python() {
        rm -rf python_install || exit 1
 }
 
-if ! test -d $PREFIX/python; then
+if [ ! -d $PREFIX/python ]; then
    # needs to be installed
    do_install_python
 fi