drm/amdgpu: add extern C guard for the UAPI header

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
This commit is contained in:
Emil Velikov 2016-04-07 18:45:18 +01:00
commit cfa7152f1c