parisc: Drop hpux_stat64 struct from stat.h header file

#define STAT_HAVE_NSEC

struct hpux_stat64 {

	unsigned int	st_dev;		/* dev_t is 32 bits on parisc */

	unsigned int	st_ino;         /* 32 bits */

	unsigned short	st_mode;	/* 16 bits */

	unsigned short	st_nlink;	/* 16 bits */

	unsigned short	st_reserved1;	/* old st_uid */

	unsigned short	st_reserved2;	/* old st_gid */

	unsigned int	st_rdev;

	signed long long st_size;

	signed int	st_atime;

	unsigned int	st_spare1;

	signed int	st_mtime;

	unsigned int	st_spare2;

	signed int	st_ctime;

	unsigned int	st_spare3;

	int		st_blksize;

	unsigned long long st_blocks;

	unsigned int	__unused1;	/* ACL stuff */

	unsigned int	__unused2;	/* network */

	unsigned int	__unused3;      /* network */

	unsigned int	__unused4;	/* cnodes */

	unsigned short	__unused5;	/* netsite */

	short		st_fstype;

	unsigned int	st_realdev;

	unsigned short	st_basemode;

	unsigned short	st_spareshort;

	unsigned int	st_uid;

	unsigned int	st_gid;

	unsigned int	st_spare4[3];

};

/* This is the struct that 32-bit userspace applications are expecting.

 * How 64-bit apps are going to be compiled, I have no idea.  But at least

 * this way, we don't have a wrapper in the kernel.