Fixed a previously documented leak of ACLs related to adaptation access rules.

=== modified file 'src/adaptation/AccessRule.cc'
--- src/adaptation/AccessRule.cc	2013-05-13 22:48:23 +0000
+++ src/adaptation/AccessRule.cc	2014-04-24 20:12:30 +0000
@@ -1,37 +1,38 @@
 #include "squid.h"
+#include "acl/Tree.h"
 #include "acl/Gadgets.h"
 #include "adaptation/AccessRule.h"
 #include "adaptation/Service.h"
 #include "adaptation/ServiceGroups.h"
 #include "ConfigParser.h"
 #include "Debug.h"
 
 int Adaptation::AccessRule::LastId = 0;
 
 Adaptation::AccessRule::AccessRule(const String &aGroupId): id(++LastId), groupId(aGroupId), acl(NULL)
 {
 }
 
 Adaptation::AccessRule::~AccessRule()
 {
-    // XXX: leaking acls here?
+    delete acl;
 }
 
 void
 Adaptation::AccessRule::parse(ConfigParser &parser)
 {
     aclParseAccessLine("adaptation_access", parser, &acl);
 }
 
 void
 Adaptation::AccessRule::finalize()
 {
     if (!group()) { // no explicit group
         debugs(93,7, HERE << "no service group: " << groupId);
         // try to add a one-service group
         if (FindService(groupId) != NULL) {
             ServiceGroupPointer g = new SingleService(groupId);
             g->finalize(); // explicit groups were finalized before rules
             AllGroups().push_back(g);
         }
     }