Tweak the source code formatting of r38381.
Tweak the source code formatting of r38381.

Suggested by: arfrever

* subversion/include/svn_types.h
  (svn_apr_hash_index_key, svn_apr_hash_index_key, svn_apr_hash_index_klen):
    Move the function prototype's return type onto a separate line, as that's
    the project's style.

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