Fix a memory access problem with svnsync over ra_svn when SASL is enabled.
Fix a memory access problem with svnsync over ra_svn when SASL is enabled.

Patch by: Vlad Georgescu <vgeorgescu@gmail.com>

* subversion/svnserve/sasl_auth.c
  (sasl_auth_request): Allocate b->user in b->pool rather than pool.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@862235 13f79535-47bb-0310-9956-ffa450edef68

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