SymbolDatabase: fixed readability-convert-member-functions-to-static clang-tidy and functionStatic selfcheck warning

Author: firewave

lib/symboldatabase.cpp

@@ -6451,7 +6451,7 @@ Function * SymbolDatabase::findFunctionInScope(const Token *func, const Scope *n
 
 //---------------------------------------------------------------------------
 
-bool SymbolDatabase::isReservedName(const Token* tok) const
+bool SymbolDatabase::isReservedName(const Token* tok)
 {
     const std::string& iName = tok->str();
     if (tok->isCpp()) {

lib/symboldatabase.h

@@ -1457,7 +1457,7 @@ class CPPCHECKLIB SymbolDatabase {
     void fixVarId(VarIdMap & varIds, const Token * vartok, Token * membertok, const Variable * membervar);
 
     /** Whether the token is a keyword as defined in http://en.cppreference.com/w/c/keyword and http://en.cppreference.com/w/cpp/keyword*/
-    bool isReservedName(const Token* tok) const;
+    static bool isReservedName(const Token* tok);
 
     const Enumerator * findEnumerator(const Token * tok, std::set<std::string>& tokensThatAreNotEnumeratorValues) const;