netlabel: fix an uninitialized warning in netlbl_unlabel_staticlist()

netlabel: fix an uninitialized warning in netlbl_unlabel_staticlist()

BugLink: https://bugs.launchpad.net/bugs/1908561
[ Upstream commit 1ba86d4366e023d96df3dbe415eea7f1dc08c303 ]

Static checking revealed that a previous fix to
netlbl_unlabel_staticlist() leaves a stack variable uninitialized,
this patches fixes that.

Fixes: 866358ec331f ("netlabel: fix our progress tracking in netlbl_unlabel_staticlist()")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Link: https://lore.kernel.org/r/160530304068.15651.18355773009751195447.stgit@sifl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Ian May <ian.may@canonical.com>