fix clang-tidy warning, different argument name for declaration and implementation

Author: danmar

lib/settings.h

@@ -95,7 +95,7 @@ class CPPCHECKLIB Settings : public cppcheck::Platform {
 public:
     Settings();
 
-    void loadCppcheckCfg(const std::string &exepath);
+    void loadCppcheckCfg(const std::string &exename);
 
     /** @brief addons, either filename of python/json file or json data */
     std::list<std::string> addons;