K 10 svn:author V 5 peter K 8 svn:date V 27 2001-09-19T05:44:12.000000Z K 7 svn:log V 222 Reserve an extra 16 bytes in case we have to grow the trapframe into a vm86trapframe for switching to vm86 [unlikely] while exiting. I lost this when doing the pcb move that went in with the KSE commit. Reviewed by: jake END