Fix a problem with "svn log --diff" seen on Windows, ensure that the log output comes before the diff output.
Fix a problem with "svn log --diff" seen on Windows, ensure that
the log output comes before the diff output.

* subversion/svn/log-cmd.c (log_entry_receiver): Extra flush.


git-svn-id: 5b5efd772a37cb71a41161728148cf1d44b58d70@1295671 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion