Fix qApp macro implementation.

Reviewer: Renato Araújo <renato.filho@openbossa.org>
          Hugo Lima <hugo.lima@openbossa.org>

tests/QtGui/qapp_test.py

@@ -3,15 +3,17 @@
 
 import unittest
 
-from PySide import QtGui
+from PySide.QtGui import *
 
 class QAppPresence(unittest.TestCase):
 
     def testQApp(self):
         #QtGui.qApp variable is instance of QApplication
-        self.assert_(isinstance(QtGui.qApp, QtGui.QApplication))
+        self.assert_(isinstance(qApp, QApplication))
 
+def main():
+    app = QApplication([])
+    unittest.main()
 
 if __name__ == '__main__':
-    app = QtGui.QApplication([])
-    unittest.main()
+    main()