Stray equals

src/freedombone-wifi

@@ -134,7 +134,7 @@ if [ $NETWORKS_INTERACTIVE ]; then
     exit 0
 fi
 
-if [ ! $wifi_interface_specified= ]; then
+if [ ! $wifi_interface_specified ]; then
     update_wifi_adaptors
     if [ ! $IFACE ]; then
         echo $'No wifi adaptors were found'