D27332: try to fix issue with ispellchecker on windows

[Christoph Cullmann]

cullmann created this revision.
Herald added a project: Frameworks.
Herald added a subscriber: kde-frameworks-devel.
cullmann requested review of this revision.

REVISION SUMMARY
  de-init com after release, try to better ensure we check for nullptr
  
  see e.g. backtrace
  
  0	sonnet_ispellchecker.dll	ISpellCheckerClient::~ISpellCheckerClient
  1	sonnet_ispellchecker.dll	ISpellCheckerClient::`scalar deleting destructor'
  2	Qt5Core.dll	QLibraryPrivate::unload
  3	Qt5Core.dll	QLibraryStore::cleanup
  4	Qt5Core.dll	`anonymous namespace'::`dynamic atexit destructor for 'qlibraryCleanup_dtor_instance_''
  5	ucrtbase.dll	_lambda_f03950bc5685219e0bcd2087efbe011e_::operator
  6	ucrtbase.dll	__crt_seh_guarded_call_int_::operator
  7	ucrtbase.dll	_execute_onexit_table
  8	Qt5Core.dll	dllmain_crt_process_detach
  9	Qt5Core.dll	dllmain_dispatch
  10	ntdll.dll	LdrpCallInitRoutine
  11	ntdll.dll	LdrShutdownProcess
  12	ntdll.dll	RtlExitUserProcess
  13	kernel32.dll	FatalExit
  14	ucrtbase.dll	exit_or_terminate_process
  15	ucrtbase.dll	common_exit
  16	kate.exe	__scrt_common_main_seh
  17	kernel32.dll	BaseThreadInitThunk
  18	ntdll.dll	RtlUserThreadStart

REPOSITORY
  R246 Sonnet

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D27332

AFFECTED FILES
  src/plugins/ispellchecker/ispellcheckerclient.cpp
  src/plugins/ispellchecker/ispellcheckerdict.cpp

To: cullmann
Cc: kde-frameworks-devel, LeGast00n, cblack, GB_2, michaelh, ngraham, bruns
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