bug#14333: 24.3.50; Emacs hangs when trying to exit

[Dani Moncayo <dmoncayo@gmail.com>]

I've just got another hung session.  Details below.

--------------

In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
 of 2013-09-30 on MW7G474MYRXUPA
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --enable-checking 'CFLAGS=-O0 -g3' CPPFLAGS=-DGLYPH_DEBUG=1'

Important settings:
  value of $LANG: ESN
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

--------------

TID: 4432
State: Wait:UserRequest
Stack:
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x6c0
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x4a8
wow64.dll!Wow64SystemServiceEx+0x1ce
wow64.dll!Wow64LdrpInitialize+0x429
ntdll.dll!RtlIsDosDeviceName_U+0x24c87
ntdll.dll!LdrInitializeThunk+0xe
ntdll.dll!ZwWaitForSingleObject+0x15
ntdll.dll!RtlIntegerToUnicodeString+0x20b
ntdll.dll!LdrShutdownThread+0x50
ntdll.dll!RtlExitUserThread+0x2a
ntdll.dll!RtlInitializeExceptionChain+0x63
ntdll.dll!RtlInitializeExceptionChain+0x36

TID: 7332
State: Wait:UserRequest
Stack:
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x6c0
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x4a8
wow64.dll!Wow64SystemServiceEx+0x1ce
wow64.dll!Wow64LdrpInitialize+0x429
ntdll.dll!RtlUniform+0x6e6
ntdll.dll!RtlCreateTagHeap+0xa7
ntdll.dll!LdrInitializeThunk+0xe
ntdll.dll!ZwWaitForSingleObject+0x15
ntdll.dll!RtlIntegerToUnicodeString+0x20b
ntdll.dll!LdrUnloadDll+0x2a
emacs.exe+0x20d8ac term_winsock at w32.c:6099
emacs.exe+0x21038e term_ntproc at w32.c:7558
emacs.exe+0xdf02e shut_down_emacs at emacs.c:1992
emacs.exe+0xdef12 Fkill_emacs at emacs.c:1893
emacs.exe+0x16d684 Ffuncall at eval.c:2856
emacs.exe+0x1adbf9 exec_byte_code at bytecode.c:905
emacs.exe+0x16de66 funcall_lambda at eval.c:3024
emacs.exe+0x16d8c0 Ffuncall at eval.c:2905
emacs.exe+0x1adbf9 exec_byte_code at bytecode.c:905
emacs.exe+0x16de66 funcall_lambda at eval.c:3024
emacs.exe+0x16d8c0 Ffuncall at eval.c:2905
emacs.exe+0x16723b Fcall_interactively at callint.c:836
emacs.exe+0x16d6d9 Ffuncall at eval.c:2863
emacs.exe+0x1adbf9 exec_byte_code at bytecode.c:905
emacs.exe+0x16de66 funcall_lambda at eval.c:3024
emacs.exe+0x16d8c0 Ffuncall at eval.c:2905
emacs.exe+0x16d16f call1 at eval.c:2655
emacs.exe+0xe17b2 command_loop_1 at keyboard.c:1567
emacs.exe+0x16a4cc internal_condition_case at eval.c:1339
emacs.exe+0xe0c41 command_loop_2 at keyboard.c:1160
emacs.exe+0x169de6 internal_catch at eval.c:1113
emacs.exe+0xe0bf9 command_loop at keyboard.c:1140
emacs.exe+0xe03b0 recursive_edit_1 at keyboard.c:778
emacs.exe+0xe056c Frecursive_edit at keyboard.c:843
emacs.exe+0xde8cb main at emacs.c:1579
emacs.exe+0x10b9 __mingw_CRTStartup at crt1.c:244
emacs.exe+0x1284 WinMainCRTStartup at crt1.c:274
emacs.exe+0x1ab668 _start at unexw32.c:118
ntdll.dll!RtlInitializeExceptionChain+0x63
ntdll.dll!RtlInitializeExceptionChain+0x36

TID: 8356
State: Wait:WrUserRequest
Stack:
wow64win.dll+0x3fe3a
wow64win.dll+0x1aea8
wow64.dll!Wow64SystemServiceEx+0xd7
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x2d
wow64.dll!Wow64SystemServiceEx+0x1ce
wow64.dll!Wow64LdrpInitialize+0x429
ntdll.dll!RtlIsDosDeviceName_U+0x24c87
ntdll.dll!LdrInitializeThunk+0xe
USER32.dll!DispatchMessageW+0x5c
emacs.exe+0x1dc9d2 w32_msg_pump at w32fns.c:2436
emacs.exe+0x1dcc10 w32_msg_worker@4 at w32fns.c:2664
ntdll.dll!RtlInitializeExceptionChain+0x63
ntdll.dll!RtlInitializeExceptionChain+0x36

TID: 8696
State: Wait:UserRequest
Stack:
wow64cpu.dll!TurboDispatchJumpAddressEnd+0x6c0
wow64cpu.dll!TurboDispatchJumpAddressEnd+0xf5
wow64.dll!Wow64SystemServiceEx+0x1ce
wow64.dll!Wow64LdrpInitialize+0x429
ntdll.dll!RtlIsDosDeviceName_U+0x24c87
ntdll.dll!LdrInitializeThunk+0xe
ntdll.dll!ZwWaitForMultipleObjects+0x15
kernel32.dll!BaseThreadInitThunk+0x12
ntdll.dll!RtlInitializeExceptionChain+0x63
ntdll.dll!RtlInitializeExceptionChain+0x36


-- 
Dani Moncayo