Freevo2 patch for tvserver --scan when no devices are found

  Hi,

Currently the tvserver --scan option returns nothing if it fails to find 
a device. The below patch gives some feedback to the user.

John

[john@localhost tvserver]$ diff -Naur ../bin/tvserver.orig ../bin/tvserver
--- ../bin/tvserver.orig        2010-08-05 23:25:52.596497816 +0100
+++ ../bin/tvserver     2010-08-05 23:24:24.855122615 +0100
@@ -114,6 +114,8 @@
          for info in tvserver.devices.info:
              print '*** %s ***' % info.device
              print info
+       if not tvserver.devices.info:
+           print 'No devices found, sorry.'
          sys.exit(0)
      if o in ('--help', '-h'):
          usage(0)


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