seccomp: kill the seccomp_t typedef

Replaces the seccomp_t typedef with struct seccomp to match modern
kernel style.

Signed-off-by: Will Drewry <[e-mail]>
Reviewed-by: James Morris <[e-mail]>
Acked-by: Serge Hallyn <[e-mail]>
Acked-by: Eric Paris <[e-mail]>

v18: rebase
...
v14: rebase/nochanges
v13: rebase on to 88ebdda6159ffc15699f204c33feb3e431bf9bdc
v12: rebase on to linux-next
v8-v11: no changes
v7: struct seccomp_struct -> struct seccomp
v6: original inclusion in this series.
Signed-off-by: James Morris <[e-mail]>

include/linux/sched.h

···
 	uid_t loginuid;
 	unsigned int sessionid;
 #endif
-	seccomp_t seccomp;
+	struct seccomp seccomp;
 
 /* Thread group tracking */
    	u32 parent_exec_id;

include/linux/seccomp.h

···
 #include <linux/thread_info.h>
 #include <asm/seccomp.h>
 
-typedef struct { int mode; } seccomp_t;
+struct seccomp {
+	int mode;
+};
 
 extern void __secure_computing(int);
 static inline void secure_computing(int this_syscall)
···
 extern long prctl_get_seccomp(void);
 extern long prctl_set_seccomp(unsigned long);
 
-static inline int seccomp_mode(seccomp_t *s)
+static inline int seccomp_mode(struct seccomp *s)
 {
 	return s->mode;
 }
···
 
 #include <linux/errno.h>
 
-typedef struct { } seccomp_t;
+struct seccomp { };
 
 #define secure_computing(x) do { } while (0)
 
···
 	return -EINVAL;
 }
 
-static inline int seccomp_mode(seccomp_t *s)
+static inline int seccomp_mode(struct seccomp *s)
 {
 	return 0;
 }