[PATCH] tkill.2: SYNOPSIS: Fix prototype parameter types

[Alejandro Colomar <alx.manpages@gmail.com>]

All but the last parameters of t[g]kill() use 'pid_t',
both in the kernel and glibc.  Fix them.

......

.../linux/linux$ grep_syscall tkill
kernel/signal.c:3870:
SYSCALL_DEFINE2(tkill, pid_t, pid, int, sig)
include/linux/syscalls.h:685:
asmlinkage long sys_tkill(pid_t pid, int sig);
.../linux/linux$

.../gnu/glibc$ grep_glibc_prototype tgkill
sysdeps/unix/sysv/linux/bits/signal_ext.h:29:
extern int tgkill (__pid_t __tgid, __pid_t __tid, int __signal);
.../gnu/glibc$

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man2/tkill.2 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/man2/tkill.2 b/man2/tkill.2
index 4b4eae312..24636719d 100644
--- a/man2/tkill.2
+++ b/man2/tkill.2
@@ -31,8 +31,8 @@
 tkill, tgkill \- send a signal to a thread
 .SH SYNOPSIS
 .nf
-.BI "int tkill(int " tid ", int " sig );
-.BI "int tgkill(int " tgid ", int " tid ", int " sig );
+.BI "int tkill(pid_t " tid ", int " sig );
+.BI "int tgkill(pid_t " tgid ", pid_t " tid ", int " sig );
 .fi
 .PP
 .IR Note :
-- 
2.30.0