OSX vs apple core dump

OSX vs apple core dump

Some reformatting mutated into a code change:  OSX gets code from two
conditional blocks
  '#if UNIX: eat apple or pear, give "core dump" message'
  '#if MAC || OSX: eat apple, give "It's a Macintosh" message'
but the second wouldn't be chosen due to the if-then-else logic having
already handled obj->otyp==APPLE before it was reached.  Reorder them
so that OSX gets the Macintosh message for apples and the core dump
message for pears.