Another part of issue 3437, rep-cache.db created with wrong permissions.

* subversion/libsvn_subr/sqlite.c
  (svn_sqlite__hotcopy): Create file before calling into SQLite.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1547873 13f79535-47bb-0310-9956-ffa450edef68
Avoid fetching unused data with 'svn mergeinfo --log'

* subversion/svn/mergeinfo-cmd.c
  (mergeinfo_log): We never use the changed paths so don't retrieve them.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1547874 13f79535-47bb-0310-9956-ffa450edef68