Handles missing macro.

#define _LINUX_CAPABILITY_U32S_3     2

#endif

/* CAP_TO_MASK is missing in CentOS header files */

#ifndef CAP_TO_MASK

#define CAP_TO_MASK(x)      (1 << ((x) & 31))

#endif

/* capset() prototype is missing ... */

int capset(cap_user_header_t hdrp, const cap_user_data_t datap);