syscall: add +__NR_getpgid +__NR_getsid

Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/syscall-x86-64.def

@@ -42,8 +42,10 @@ __NR_flock		73		sys_flock		(int fd, unsigned long cmd)
 __NR_unlink		87		sys_unlink		(char *pathname)
 __NR_setresuid		117		sys_setresuid		(int uid, int euid, int suid)
 __NR_setresgid		119		sys_setresgid		(int gid, int egid, int sgid)
+__NR_getpgid		121		sys_getpgid		(void)
 __NR_setfsuid		122		sys_setfsuid		(int fsuid)
 __NR_setfsgid		123		sys_setfsgid		(int fsgid)
+__NR_getsid		124		sys_getsid		(void)
 __NR_capset		126		sys_capset		(struct cap_header *h, struct cap_data *d)
 __NR_personality	135		sys_personality		(unsigned int personality)
 __NR_prctl		157		sys_prctl		(int option, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5)