lxc-opensuse: protect possibly unset variable with quotes in -z check

Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

diff --git a/templates/lxc-opensuse.in b/templates/lxc-opensuse.in
index 20ffdbd08d85b125d27c5962b477bbed2d8d5eb7..bb015c84ff2c7d2a26685f80ad1d154bf3fc94fe 100644 (file)
--- a/templates/lxc-opensuse.in
+++ b/templates/lxc-opensuse.in
@@ -489,7 +489,7 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-if [ ! -z $clean ]; then
+if [ ! -z "$clean" ]; then
     clean || exit 1
     exit 0
 fi