[Libguestfs] Coverity scan on libguestfs 1.25.49

[Richard W.M. Jones]

This one looks like a real bug:

http://oirase.annexia.org/tmp/libguestfs-1.25.49-1.fc21.html#def35

We're using CMSG_LEN in a completely different way from how it
is described in the manual page:

http://man7.org/linux/man-pages/man3/cmsg.3.html

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org