2012-11-07 Andreas Jaeger <aj@suse.de>

        [BZ #14809]
        * sysdeps/unix/sysv/linux/sys/sysctl.h (_UAPI_LINUX_KERNEL_H)
        (_UAPI_LINUX_TYPES_H): Starting with Linux 3.7, the include header
        guards are changed.  Only define if not yet defined, #undef back
        after including linux/sysctl.h if defined here.