Fixed error messages

Fixed Quaternion type not handled by VertexDeclaration::IsTypeSupported


Former-commit-id: 4668810c2acbee3127ba52aed9782255ef92013e

src/Nazara/Graphics/Graphics.cpp

@@ -46,7 +46,7 @@ bool NzGraphics::Initialize()
 
 	if (!NzSkinningManager::Initialize())
 	{
-		NazaraError("Failed to initialize skinning cache");
+		NazaraError("Failed to initialize skinning manager");
 		return false;
 	}