* subversion/libsvn_ra_svn/client.c   (ra_svn_get_repos_root): if we don't have the repository root cached in     the connection, return an error indicating a mismatch between the client     and server.  this fixes a segfault when 'svn blame' is used over ra_svn     with an older svnserve.
* subversion/libsvn_ra_svn/client.c
  (ra_svn_get_repos_root): if we don't have the repository root cached in 
   the connection, return an error indicating a mismatch between the client 
   and server.  this fixes a segfault when 'svn blame' is used over ra_svn 
   with an older svnserve.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion