Update checkunusedvar.cpp

Author: chrchr-github

lib/checkunusedvar.cpp

@@ -724,9 +724,9 @@ void CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(const Scope* const
                 type = Variables::pointer;
             else if (mTokenizer->isC() ||
                      i->typeEndToken()->isStandardType() ||
+                     (i->valueType() && i->valueType()->container) &&
                      mTokenizer->getSymbolDatabase()->isRecordTypeWithoutSideEffects(i->type()) ||
-                     mSettings->library.detectContainer(i->typeStartToken()) ||
-                     mSettings->library.getTypeCheck("unusedvar", i->typeStartToken()->str()) == Library::TypeCheck::check)
+                     mSettings->library.getTypeCheck("unusedvar", i->getTypeName()) == Library::TypeCheck::check)
                 type = Variables::standard;
 
             if (type == Variables::none || isPartOfClassStructUnion(i->typeStartToken()))