kern/171187: [patch][libfetch] missing returns in error cases in file.c

[eadler at FreeBSD.org]

Synopsis: [patch][libfetch] missing returns in error cases in file.c

Responsible-Changed-From-To: freebsd-bugs->eadler
Responsible-Changed-By: eadler
Responsible-Changed-When: Sun Sep 2 02:20:30 UTC 2012
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=171187