little auto detect fix

Author: Michael Messner

modules/exploits/linux/http/dlink_hnap_rop.rb

@@ -100,13 +100,17 @@ def check
                 break
               end
             end
+
+          else
+            # no supported device found
+            return Exploit::CheckCode::Unknown
           end
 
           print_status("#{peer} - Selected Target: #{@mytarget.name}")
           print_good("#{peer} - detected a vulnerable device")
           return Exploit::CheckCode::Detected
 
-        # no auto-targetting ... the user is responsible
+        # not auto-targetting ... the user is responsible
         else
           print_good("#{peer} - detected a device with unknown exploitability ... trying to exploit")
           return Exploit::CheckCode::Detected