Fix thinko bug in JavaHL: Use correct signature in callback method lookup.

* subversion/bindings/javahl/native/RemoteSession.cpp
  (LocationSegmentHandler::LocationSegmentHandler): Fix signature of the
   RemoteLocationSegmentCallback.doSegment callback method.
  (FileRevisionHandler::FileRevisionHandler): Fix signature of the
   RemoteFileRevisionsCallback.doRevision callback method.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1510923 13f79535-47bb-0310-9956-ffa450edef68