fixed syntax error

source/wifi.src

@@ -4,7 +4,7 @@ cappath = current_path + "/file.cap"
 info = "BSSID STRENGTH ESSID"
 netname = ""
 command = ""
-if params.len > 0 then command = params[0] end if
+if params.len > 0 then command = params[0]
 for letter in computer.network_devices
 	if letter == " " then
 		break