um: Add missing NR_CPUS include
authorRichard Weinberger <richard@nod.at>
Thu, 4 May 2017 06:15:10 +0000 (08:15 +0200)
committerRichard Weinberger <richard@nod.at>
Thu, 4 May 2017 06:15:10 +0000 (08:15 +0200)
commitce4586063f1af780b1c6b7e344907e6f9c1ba59a
tree2e9f3428dca0967601ee1d30ff2a2691334b8ab7
parent5b4236e17cc1bd9fa14b2b0c7a4ae632d41f2e20
um: Add missing NR_CPUS include

We need linux/threads.h for that variable.

Fixes: 8bba077066d6d0 ("um: Set number of CPUs")
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/um/os-Linux/skas/process.c