system-linux: fix build error on older kernels
authorFelix Fietkau <nbd@nbd.name>
Wed, 4 Jul 2018 19:15:58 +0000 (21:15 +0200)
committerFelix Fietkau <nbd@nbd.name>
Wed, 4 Jul 2018 19:16:08 +0000 (21:16 +0200)
commit03785fb09734be05a721318d2b5378ae1656f64c
treedf6f09af12c653031d66dfc81ebdbd1f8f14252f
parentd1251e1baad4d32c04eeda56738222e7d1d98853
system-linux: fix build error on older kernels

Add an #ifdef guard around 56000base* definitions, which don't exist on
Linux 3.18

Signed-off-by: Felix Fietkau <nbd@nbd.name>
system-linux.c