update buildroot to 2017.02.11

bsp/buildroot-2017.02.11/package/nginx/S50nginx

@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Start/stop nginx
+#
+
+PIDFILE=/var/run/nginx.pid
+
+case "$1" in
+  start)
+	echo "Starting nginx..."
+	mkdir -p /var/log/nginx /var/tmp/nginx
+	start-stop-daemon -S -x /usr/sbin/nginx -p $PIDFILE
+	;;
+  stop)
+	printf "Stopping nginx..."
+	start-stop-daemon -K -o -p $PIDFILE
+	;;
+  restart|reload)
+	"$0" stop
+	"$0" start
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac