Unroll duct tape; tear on the perpendicular; apply to svnsync insufficient arguments errors.
Unroll duct tape; tear on the perpendicular; apply to svnsync insufficient
arguments errors.

* subversion/svnsync/main.c
  (main): Catch errors that have a known-to-be-moronic default error string,
    and rethrow them (effectively) with an error string that's more appropriate
    for this application.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@861035 13f79535-47bb-0310-9956-ffa450edef68

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