Hello,

I've attached a patch that fixes up a few issues I've noticed with
org-add-planning-info.  The main one (in terms what I actually see when
editing Org files) is that, when org-adapt-indentation is nil, closing a
repeating TODO heading adds an extra space before the planning info
entry when it cycles back to TODO.  For example, marking

    * TODO h
    SCHEDULED: <2015-06-26 Fri +1w>

as DONE inserts an extra space before SCHEDULED:

    * TODO h
     SCHEDULED: <2015-07-03 Fri +1w>
    :PROPERTIES:
    :LAST_REPEAT: [2015-06-26 Fri 23:38]
    :END:
    :LOGBOOK:
    - State "DONE"       from "TODO"       [2015-06-26 Fri 23:38]
    :END: