package/libmnl: fix build failure
The rtnl-link-can application requires kernel headers of at least
version 4.11. Since the `make check` command compiles all examples, their
compilation is enabled only if the condition regarding the kernel headers
is satisfied.
Fixes:
- http://autobuild.buildroot.net/results/36c1619c8b02efeaf9caebae8bb5c3eb8a26238b/
- http://autobuild.buildroot.net/results/15f6dc103eec7bdeb5020acbc0ae99dc97c00e4e/
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Dario Binacchi