bug#25901: 25.2; fit-frame-to-buffer not functional in OS X

[Charles A. Roelli]

- emacs -Q
- (M-x toggle-debug-on-error)
- M-x fit-frame-to-buffer

Debugger entered--Lisp error: (wrong-type-argument terminal-live-p "gray")
  ns-display-monitor-attributes-list("gray")
  display-monitor-attributes-list("gray")
  fit-frame-to-buffer()
  funcall-interactively(fit-frame-to-buffer)

"gray" is the hostname of the machine.

 GNU Emacs 25.2.1 (x86_64-apple-darwin10.8.0, NS appkit-1038.36 Version 10.6.8 
(Build 10K549))
 of 2017-02-22 built on gray
Windowing system distributor 'Apple', version 10.3.1038
Configured using:
 'configure --with-modules'

Configured features:
JPEG RSVG NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS MODULES