Improve a doc string. A follow-up to r32483.
Improve a doc string. A follow-up to r32483.

Suggested by: kfogel

* subversion/libsvn_client/merge.c
  (single_file_merge_get_file): Improve doc string.

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