docs/179459: the example function in filemon(4) should have a return value

[Yanhui Shen]

>Number:         179459
>Category:       docs
>Synopsis:       the example function in filemon(4) should have a return value
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jun 10 17:00:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Yanhui Shen
>Release:        FreeBSD 9.1-STABLE
>Organization:
>Environment:
FreeBSD ThinkPad 9.1-STABLE FreeBSD 9.1-STABLE #0 r251600: Mon Jun 10 21:49:57 CST 2013     root at ThinkPad:/usr/obj/usr/src/sys/ThinkPad  amd64
>Description:
man filemon

The function is "static void open_filemon(void)",
but there are "return 0"s.
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: