bug#14085: 24.3.50; regression `C-c C-c' in `report-emacs-bug' no longer closes thereportwindow

[Drew Adams]

The bug thread suggests that this bug has been fixed, but it has not.
(Yes, I see that it is still classified as open.)

Just a reminder that it is still broken, as of this build:

In GNU Emacs 24.3.50.1 (i386-mingw-nt5.1.2600)
 of 2013-05-10 on ODIEONE
Bzr revision: 112542 rgm@gnu.org-20130510102119-fklj7xlajezey0tr
Windowing system distributor `Microsoft Corp.', version 5.1.2600
Configured using:
 `configure --with-gcc (4.7) --no-opt --enable-checking --cflags
 -IC:/Devel/emacs/build/include --ldflags -LC:/Devel/emacs/build/lib'


Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  message-bury()
  message-send-and-exit(nil)
  call-interactively(message-send-and-exit nil nil)
  command-execute(message-send-and-exit)