Docstring tweaks.
Docstring tweaks.

* subversion/include/svn_client.h: Minor typo fixes to docstrings.

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