Merge topic 'wrap-finalize'

110ca18c Close the file after parsing the contents
dff70286 Fix more wrap executable memory leaks
a42b02b2 Free the wrapper executable options at exit
ac0fb52e Make the string cache for argv expansion a global
6bb27cd2 Wrapper tool exit code for finalization

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Reviewed-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !10677