* subversion/clients/cmdline/cat-cmd.c   (svn_cl__cat): Add a message to an error that lacked one.
* subversion/clients/cmdline/cat-cmd.c
  (svn_cl__cat): Add a message to an error that lacked one.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@844640 13f79535-47bb-0310-9956-ffa450edef68

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