Fixed cursor change not showing immediatly

Fixed error message when failed to create icon

src/Nazara/Utility/Icon.cpp

@@ -31,7 +31,7 @@ bool NzIcon::Create(const NzImage& icon)
 	m_impl = new NzIconImpl;
 	if (!m_impl->Create(icon))
 	{
-		NazaraError("Failed to create cursor implementation");
+		NazaraError("Failed to create icon implementation");
 		delete m_impl;
 		m_impl = nullptr;
 		return false;

src/Nazara/Utility/Win32/WindowImpl.cpp

@@ -347,6 +347,8 @@ void NzWindowImpl::SetCursor(nzWindowCursor cursor)
 void NzWindowImpl::SetCursor(const NzCursor& cursor)
 {
 	m_cursor = cursor.m_impl->GetCursor();
+
+	::SetCursor(m_cursor);
 }
 
 void NzWindowImpl::SetEventListener(bool listener)