Avoid some compiler warnings in JavaHL.

* subversion/bindings/javahl/native/SVNClient.cpp
  (SVNClient::SVNClient): Initialise members in the order they are defined.

* subversion/bindings/javahl/native/RevpropTable.cpp
  (RevpropTable::RevpropTable): Remove unused variable.

* subversion/bindings/javahl/native/JNIUtil.cpp
  (JNIUtil::putErrorsInTrace): Parentheses around assigment used as condition.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1431068 13f79535-47bb-0310-9956-ffa450edef68