mountstats: division by zero error on new mount when 0==rpcsends

When rpcsends is 0 this is the error seen when mounstats is run on a
NFSv4.2 mount

Fixes: https://bugzilla.linux-nfs.org/show_bug.cgi?id=367
Signed-off-by: Steve Dickson <steved@redhat.com>
1 file changed