Was missing a call to load the joints into the node in getJointNode(u32 jointID)

like with getJointNode(const c8* jointName)

reported by xray here: http://irrlicht.sourceforge.net/phpBB2/viewtopic.php?t=30486

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1634 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CAnimatedMeshSceneNode.cpp

@@ -577,7 +577,10 @@ IShadowVolumeSceneNode* CAnimatedMeshSceneNode::addShadowVolumeSceneNode(const I
 IBoneSceneNode* CAnimatedMeshSceneNode::getJointNode(const c8* jointName)
 {
 	if (!Mesh || Mesh->getMeshType() != EAMT_SKINNED)
+	{
+		os::Printer::log("No mesh, or mesh not of skinned mesh type", ELL_WARNING);
 		return 0;
+	}
 
 	checkJoints();
 
@@ -605,6 +608,14 @@ IBoneSceneNode* CAnimatedMeshSceneNode::getJointNode(const c8* jointName)
 //! the corresponding joint, if the mesh in this scene node is a skinned mesh.
 IBoneSceneNode* CAnimatedMeshSceneNode::getJointNode(u32 jointID)
 {
+	if (!Mesh || Mesh->getMeshType() != EAMT_SKINNED)
+	{
+		os::Printer::log("No mesh, or mesh not of skinned mesh type", ELL_WARNING);
+		return 0;
+	}
+
+	checkJoints();
+
 	if (JointChildSceneNodes.size() <= jointID)
 	{
 		os::Printer::log("Joint not loaded into node", ELL_WARNING);