Apply last_patch93 from vodz:

andersen@busybox.net wrote:
    >Message: 4
    >Modified Files:
    >       init.c
    >Log Message:
    >Remove code for unsupported kernel versions

    Hmm. Current init.c have check >= 2.2.0 kernel one time too.
    Ok. Last patch removed this point and move common init code to new file for
    /init dir

init/init_shared.h

@@ -0,0 +1 @@
+extern int kill_init(int sig);