Fix usage of zed_log_msg() and zfs_panic_recover()

Coverity complained about the format specifiers not matching variables.
In one case, the variable is a constant, so we fix it. In another, we
were missing an argument (about which coverity also complained).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Closes #13888

cmd/zed/zed_exec.c

@@ -263,7 +263,7 @@ _reap_children(void *arg)
 				zed_log_msg(LOG_INFO,
 				    "Finished \"%s\" eid=%llu pid=%d "
 				    "time=%llu.%06us status=0x%X",
-				    node.name, node.eid,
+				    node.name, node.eid, pid,
 				    (unsigned long long) usage.ru_utime.tv_sec,
 				    (unsigned int) usage.ru_utime.tv_usec,
 				    (unsigned int) status);