Silence a -Wshadow warning.

* subversion/libsvn_repos/dump.c (check_ucs_normalization):
   Renamed local variable 'basename' to 'name'.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1545083 13f79535-47bb-0310-9956-ffa450edef68