Minor consistency fix

Author: jviide

entrypoint.sh

@@ -1,7 +1,7 @@
 set -e
 
 for CMD in iptables ip6tables; do
-  command -v ${CMD} > /dev/null 2>&1 || continue
+  command -v "${CMD}" > /dev/null 2>&1 || continue
 
   "${CMD}" -A INPUT -t mangle -j CONNMARK --restore-mark
   "${CMD}" -A INPUT -t mangle -m mark ! --mark 0 -j ACCEPT