tidy: avoid use of call of virtual method in constructor

alib2abstraction/src/abstraction/ValueHolder.hpp

@@ -98,7 +98,7 @@ std::unique_ptr < abstraction::Value > ValueHolder < Type >::asValue ( bool move
 template < class Type >
 ValueHolder < Type >::ValueHolder ( Type && value, bool temporary ) : m_isTemporary ( temporary ) {
-	if ( TypeQualifiers::isLvalueRef ( abstraction::TypeQualifiers::typeQualifiers < Type > ( ) ) && this->isTemporary ( ) )
+	if ( TypeQualifiers::isLvalueRef ( abstraction::TypeQualifiers::typeQualifiers < Type > ( ) ) && m_isTemporary )
 		throw std::domain_error ( "Lvalue references cannot be temporaries." );
 	this->setValue ( std::forward < Type > ( value ) );