pathfs: fix logic error in OnRemove
pathfs: fix logic error in OnRemove

We must match "v.parent" against "parentPI", not against ourself.

This caused entries in the clientInodeMap to never be removed.

Change-Id: Icab14e425105851071a4d95776b4599ba9353a2d

cmars/tools,cmars/tools,cmars/tools,cmars/tools