Forces disruptive to be first-rule-only

ModSecurity version 3 is capable to handle disruptive actions in different
rules from the chain. However, lets get it working in the same fashion that
we have in version 2.

headers/modsecurity/rule.h

@@ -76,7 +76,7 @@ class Rule {
     std::vector<std::string> getActionNames();
     std::vector<actions::Action *> getActionsByName(const std::string& name);
     bool containsTag(const std::string& name, Transaction *t);
-
+    bool containsDisruptiveAction();
 
     int refCountDecreaseAndCheck() {
         m_referenceCount--;