- Add markdel function to ECS slabhash.

- Limit ECS scope returned to client to the scope used for caching.      
 - Make lint like previous #4154 fix. 


git-svn-id: file:///svn/unbound/trunk@4946 be551aaa-1e26-0410-a405-d3ace91eadb9

testcode/unitecs.c

@@ -158,7 +158,7 @@ static void consistency_test(void)
 {
 	addrlen_t l;
 	time_t i;
-	unsigned int count;
+	uint32_t count;
 	addrkey_t *k;
 	struct addrtree* t;
 	struct module_env env;