Fix 2 mistakes in test_file_ref.cc that linux treats as errors.
Fix 2 mistakes in test_file_ref.cc that linux treats as errors.

BUG=none
TEST=none
TBR=darin

Review URL: http://codereview.chromium.org/3904003
LinRaise/ppapi,kaijajan/ppapi,kaijajan/ppapi,humanai/ppapi,lio972/ppapi,thecocce/ppapi,humanai/ppapi,jmnjmn/ppapi,Iwan12/ppapi,kaijajan/ppapi,thecocce/ppapi,jmnjmn/ppapi,melchi45/ppapi,thecocce/ppapi,johnnnylm/ppapi,Gitzk/ppapi,macressler/ppapi,lio972/ppapi,thecocce/ppapi,johnnnylm/ppapi,melchi45/ppapi,iofcas/ppapi,humanai/ppapi,macressler/ppapi,LinRaise/ppapi,johnnnylm/ppapi,johnnnylm/ppapi,iofcas/ppapi,humanai/ppapi,jmnjmn/ppapi,Gitzk/ppapi,iofcas/ppapi,iofcas/ppapi,jmnjmn/ppapi,Iwan12/ppapi,macressler/ppapi,iofcas/ppapi,jmnjmn/ppapi,melchi45/ppapi,lio972/ppapi,kaijajan/ppapi,macressler/ppapi,LinRaise/ppapi,kaijajan/ppapi,LinRaise/ppapi,thecocce/ppapi,Gitzk/ppapi,Iwan12/ppapi,lio972/ppapi,Gitzk/ppapi,LinRaise/ppapi,Iwan12/ppapi,Gitzk/ppapi,melchi45/ppapi,macressler/ppapi,Iwan12/ppapi,humanai/ppapi,johnnnylm/ppapi,lio972/ppapi,melchi45/ppapi