[mythtv] Patch for setup main.cpp

[Dan Schwarz]

This patch adds an explicit user prompt  if the setup program was unable 
to probe for tv capture card inputs.

Point of divergence for this patch is the 0.7 CVS tarball.

-Dan

--- cvs/MC/setup/main.cpp    2002-10-31 14:28:25.000000000 -0500
+++ /usr/local/src/mythtv/MC/setup/main.cpp    2002-11-18 
13:36:20.000000000 -0500
@@ -302,6 +302,13 @@
             QStringList inputlist = probeCard(videodev);
             QStringList::Iterator it;
 
+        if (inputlist.isEmpty())
+        {
+          cout << "\nSetup could not detect any capture card 
inputs.\nThis will prevent mythTV from running properly.\n\n";
+          if ("y" == getResponse("Exit setup and correct this 
problem?", "y"))
+        exit(1);
+        }
+
             for (it = inputlist.begin(); it != inputlist.end(); ++it)
             {
                 selectSource(idnum, videodev, *it, sourcelist);