netdev-windows: use bitwise comparison for flags

Use bitwise comparison when checking flags set by the kernel for the
device.

Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Sairam Venugopal <vsairam@vmware.com>
Signed-off-by: Gurucharan Shetty <guru@ovn.org>

lib/netdev-windows.c

@@ -138,11 +138,11 @@ dp_to_netdev_ifi_flags(uint32_t dp_flags)
 {
     uint32_t nd_flags = 0;
 
-    if (dp_flags && OVS_WIN_NETDEV_IFF_UP) {
+    if (dp_flags & OVS_WIN_NETDEV_IFF_UP) {
         nd_flags |= NETDEV_UP;
     }
 
-    if (dp_flags && OVS_WIN_NETDEV_IFF_PROMISC) {
+    if (dp_flags & OVS_WIN_NETDEV_IFF_PROMISC) {
         nd_flags |= NETDEV_PROMISC;
     }