Make isRelevant() to const (cppcheck warnings in audit.log code)

Author: airween

headers/modsecurity/audit_log.h

@@ -172,6 +172,7 @@ class AuditLog {
 
     bool saveIfRelevant(Transaction *transaction);
     bool saveIfRelevant(Transaction *transaction, int parts);
+    bool isRelevant(const int status) const;
     bool isRelevant(int status);
 
     static int addParts(int parts, std::string_view new_parts);

src/audit_log/audit_log.cc

@@ -248,7 +248,7 @@ bool AuditLog::init(std::string *error) {
 }
 
 
-bool AuditLog::isRelevant(int status) {
+bool AuditLog::isRelevant(const int status) const {
     std::string sstatus = std::to_string(status);
 
     if (m_relevant.empty()) {
@@ -264,6 +264,10 @@ bool AuditLog::isRelevant(int status) {
         Utils::Regex(m_relevant)) != 0;
 }
 
+bool AuditLog::isRelevant(int status) {
+    return static_cast<const AuditLog&>(*this).isRelevant(status);
+}
+
 
 bool AuditLog::saveIfRelevant(Transaction *transaction) {
     return saveIfRelevant(transaction, -1);