tor: add respawn to init script

Note:
In some cases when tor daemon starts before
than the router is connected to the Internet.
Tor will exit and you have to run it manually.
This should fix this case.

Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>
(cherry picked from commit 5bce9c3e1d)

net/tor/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tor
 PKG_VERSION:=0.4.2.5
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://dist.torproject.org/ \