UBUNTU: [debian] use SRCPKGNAME in linux-headers Depends

UBUNTU: [debian] use SRCPKGNAME in linux-headers Depends

Use the SRCPKGNAME macro instead of hardcoded "linux" in the Depends for
linux-headers-PKGVER-ABINUM-FLAVOUR, to provide the correct package name
for derivative kernels with a different SRCPKGNAME.

Ignore: yes

Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Acked-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
Acked-by: Khalid Elmously <khalid.elmously@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>