[TREEPROCMT] Fix possible nullptr dereference (thanks coverity!)
[TREEPROCMT] Fix possible nullptr dereference (thanks coverity!)

karies/root,olifre/root,karies/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,karies/root,karies/root,karies/root,root-mirror/root,root-mirror/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,olifre/root,root-mirror/root,karies/root,karies/root,olifre/root,olifre/root,karies/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root