D29814: Fix segfault on no restart args

[Jiří Paleček]

jpalecek created this revision.
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REVISION SUMMARY
  When an application is crashing through KCrash, but has no restart
  argument list, KCrash itself crashes because s_autoRestartCommandLine
  is null (when it wants to print the command line to stdout). This
  patch fixes that by making sure s_autoRestartCommandLine is always
  non-null.
  
  Depends on D29813 <https://phabricator.kde.org/D29813>
  Signed-off-by: Jiří Paleček <jpalecek at web.de>

REPOSITORY
  R285 KCrash

BRANCH
  for-upstream

REVISION DETAIL
  https://phabricator.kde.org/D29814

AFFECTED FILES
  src/kcrash.cpp

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