signal: Remove _sys_private and _overrun_incr from struct compat_siginfo

We have never passed either field to or from userspace so just remove them.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

arch/x86/include/asm/compat.h

@@ -151,8 +151,6 @@ typedef struct compat_siginfo {
 			compat_timer_t _tid;	/* timer id */
 			int _overrun;		/* overrun count */
 			compat_sigval_t _sigval;	/* same as below */
-			int _sys_private;	/* not to be passed to user */
-			int _overrun_incr;	/* amount to add to overrun */
 		} _timer;
 
 		/* POSIX.1b signals */