Fix bad grammar in comment.
Fix bad grammar in comment.

* subversion/libsvn_subr/target.c (svn_path_condense_targets): Tweak.

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