Change the type of util_cpu_caps::nr_cpus to int because sysconfig
returns a signed value, fixes:
u_cpu_detect.c: In function 'util_cpu_detect':
u_cpu_detect.c:317:30: warning: comparison between signed and unsigned
integer expressions [-Wsign-compare]
if (util_cpu_caps.nr_cpus == -1)
Signed-off-by: Gert Wollny <gert.wollny@collabora.com> Reviewed-by: Emil Velikov <emil.velikov@collabora.com>