Use who = 0 instead getpid(2) in setprioriy(2) call in watchdog(8)

[Rafael Neves]

Hi,

The patch bellow replaces in watchdog(8), the setpriority(2) + getpid(2) idiom 
with a single
setpriority(2) with who = 0.


Index: usr.sbin/watchdogd/watchdogd.c
===================================================================
RCS file: /cvs/src/usr.sbin/watchdogd/watchdogd.c,v
retrieving revision 1.15
diff -u -p -r1.15 watchdogd.c
--- usr.sbin/watchdogd/watchdogd.c      16 Jan 2015 06:40:22 -0000      1.15
+++ usr.sbin/watchdogd/watchdogd.c      7 Sep 2016 21:55:36 -0000
@@ -152,7 +152,7 @@ main(int argc, char *argv[])
        (void)setrlimit(RLIMIT_STACK, &rlim);
 
        (void)mlockall(MCL_CURRENT | MCL_FUTURE);
-       setpriority(PRIO_PROCESS, getpid(), -5);
+       setpriority(PRIO_PROCESS, 0, -5);
 
        signal(SIGTERM, sighdlr);