title: Latest version of libnfc can't find the reader
body: <p>I just compiled the latest version of libnfc, but it (nfc-poll &amp; nfc-list) wont find my reader.</p>
  
  <p>Anyone had this problem and know hows to solve it?</p>
  
  <p>Old version:</p>
  
  <pre><code>nfc_list.exe use libnfc 1.3.9
  Connected to NFC reader: ACS ACR122 0 / ACR122U210 - PN532 v1.6 (0x07)
  1 ISO14443A passive target(s) was found:
      ATQA (SENS_RES): 00  02
         UID (NFCID1): 91  e8  1c  57
        SAK (SEL_RES): 18
  </code></pre>
  
  <p>New version:</p>
  
  <pre><code>nfc-list.exe uses libnfc 1.7.1
  debug   libnfc.general  0 device(s) found using arygon driver
  debug   libnfc.general  0 device(s) found using pn532_uart driver
  debug   libnfc.general  0 device(s) found using ACR122S driver
  debug   libnfc.general  0 device(s) found using acr122_usb driver
  debug   libnfc.general  0 device(s) found using pn53x_usb driver
  No NFC device found.
  </code></pre>