Description of problem:
Should set busy cursor for 'change device' or 'change PPD'.

Version-Release number of selected component (if applicable):
0.7.38-1

How reproducible:
100%

Steps to Reproduce:
1. Click 'change PPD' or 'change device'
  
Cursor should go busy.

Fix is:
--- system-config-printer.py    14 Nov 2006 12:15:31 -0000      1.127
+++ system-config-printer.py    14 Nov 2006 15:31:42 -0000
@@ -1550,2 +1550,3 @@
     def on_btnSelectDevice_clicked(self, button):
+        self.busy (self.MainWindow)
         self.loadFoomatic()
@@ -1559,2 +1560,3 @@
         self.initNewPrinterWindow()
+        self.ready (self.MainWindow)
 
@@ -1562,2 +1564,3 @@
     def on_btnChangePPD_clicked(self, button):
+        self.busy (self.MainWindow)
         self.loadFoomatic()
@@ -1597,3 +1600,3 @@
         self.initNewPrinterWindow()
-        
+        self.ready (self.MainWindow)