Negate has precedence over comparison so the original test was always
false.  (Neither 0 nor 1 are equal to NL80211_IFTYPE_MONITOR).
Signed-off-by: NDan Carpenter <error27@gmail.com>
Acked-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>