Fix for CUtlLinkedList overflow caused by too many entities

This is a TEMPORARY fix. Tiramisu 2 has it's own cause for the "invisible glitch" the clothing failed to cleanup causing a Linked List overflow which happens to make everything go invisible. I saw you closed 'Issues' after I posted this -.- so here is my temporary fix.
Merge pull request #167 from crazycarpet/patch-6

Fix for CUtlLinkedList overflow caused by too many entities