typo fix in comment

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
modprobe,rmmod: reject module names with slashes

function                                             old     new   delta
add_probe                                             86     113     +27

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Merge remote-tracking branch 'upstream/master' into busybox-next