Adds support to the `skip' action

headers/modsecurity/transaction.h

@@ -304,9 +304,15 @@ class Transaction {
      */
     std::string m_marker;
 
+    /**
+     * Holds the amount of rules that should be skipped. If bigger than 0 the
+     * current rule should be skipped and the number needs to be decreased.
+     */
+    int m_skip_next;
+
     /**
      * Holds the decode URI. Notice that m_uri holds the raw version
-	 * of the URI.
+     * of the URI.
      */
     std::string m_uri_decoded;