Debugger: fixed crash in callstack (when stop debugging while waiting for stack info)

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42643 4005530d-fff6-0310-9dd1-cebe43e6787f
Installer, Win: more corrections

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42644 4005530d-fff6-0310-9dd1-cebe43e6787f
Installer, Win: updated Russian translation

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42645 4005530d-fff6-0310-9dd1-cebe43e6787f