master updated (3c5fbfe4ac -> 6d6d1adbe7)

[Po Lu]

oldosfan pushed a change to branch master.

      from  3c5fbfe4ac Improve DND documentation
       new  ffab237cbf Add file dragging support to NS port
       new  6d6d1adbe7 Fix build on earlier versions of Mac OS X


Summary of changes:
 lisp/dired.el       |  2 +-
 lisp/term/ns-win.el |  7 +++++++
 src/nsselect.m      | 29 ++++++++++++++++++++++++++++-
 3 files changed, 36 insertions(+), 2 deletions(-)