Follow-up to r22940. Fix using uninitialised variable.
Follow-up to r22940. Fix using uninitialised variable.

Patch By: malcolm

* subversion/libsvn_wc/adm_files.c (svn_wc__check_killme): Handle
  errors from svn_stringbuf_from_file correctly.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@863024 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion