[Buildroot] [PATCH v2] package/cdrkit: fix build with GCC 10

[Peter Korsgaard]

>>>>> "Urja" == Urja Rannikko <urjaman at gmail.com> writes:

 > This patch adds a missing extern on the outfile
 > variable in genisoimage.h.

 > Signed-off-by: Urja Rannikko <urjaman at gmail.com>
 > ---
 > Note: I would like to see this applied to the LTS 2020.02
 > branch too, since it fixes building host-cdrkit for ISO9660
 > generation with a host GCC 10.

 > v2: Make the patch a fully fledged commit with a sign-off and
 > way more description than is necessary for a single "extern".

Committed to 2020.02.x and 2020.05.x, thanks.

-- 
Bye, Peter Korsgaard