[gcab] (3 commits) Non-fast-forward update to branch wip/hughsie/covscan

[Richard Hughes <rhughes src gnome org>]

The branch 'wip/hughsie/covscan' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  1779db3... Detect errors when decompressing MSZIP archives
  e3fbfd7... trivial: Fix a Coverity warning about uninitialized variabl
  afa16b7... trivial: Ignore Coverity warnings when not checking setenv(

Commits added to the branch:

  60e12d9... Detect errors when decompressing MSZIP archives
  4ebebc8... trivial: Fix a Coverity warning about uninitialized variabl
  a9c248d... trivial: Ignore Coverity warnings when not checking setenv(