Change variable check to match existing style

Signed-off-by: Tai Kedzierski <dch.tai@gmail.com>
lxc · Mar 19, 2017 · a9a53b5 · a9a53b5
1 parent d2e5c5d
commit a9a53b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/templates/lxc-download.in b/templates/lxc-download.in
@@ -53,7 +53,7 @@ LXC_NAME=
 LXC_PATH=
 LXC_ROOTFS=
 
-if [ -z "${DOWNLOAD_KEYSERVER+x}" ]; then
+if [ -z "${DOWNLOAD_KEYSERVER:-}" ]; then
 	DOWNLOAD_KEYSERVER="hkp://pool.sks-keyservers.net"
 
 	# Deal with GPG over http proxy