kill dhclient if pid was found

diff --git a/modules.d/40network/kill-dhclient.sh b/modules.d/40network/kill-dhclient.sh
index d519013..70deda6 100755 (executable)
--- a/modules.d/40network/kill-dhclient.sh
+++ b/modules.d/40network/kill-dhclient.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
 pid=$(pidof dhclient)
-[[ $pid ]] && kill $pid
+[ -n "$pid" ] && kill $pid