Add missing NULL check from original MP branch
@ -417,6 +417,9 @@ IMaterial *CEngineSprite::GetMaterial( RenderMode_t nRenderMode, int nFrame )
IMaterial *pMaterial = m_material[nRenderMode];
if( !pMaterial )
return NULL;
IMaterialVar* pFrameVar = pMaterial->FindVarFast( "$frame", &frameCache );
if ( pFrameVar )
{