Fix bug 988 - "The type supplied with currentChanged signal in QTabWidget has changed in 1.0.6"

Reviewer: Luciano Wolf <luciano.wolf@openbossa.org>
          Marcelo Lira <marcelo.lira@openbossa.org>

tests/QtGui/bug_988.py

@@ -0,0 +1,18 @@
+import unittest
+from PySide.QtGui import *
+
+class TestBug988 (unittest.TestCase):
+
+    def callback(self, arg):
+        self.arg = arg
+
+    def testIt(self):
+        self.arg = None
+        app = QApplication([])
+        obj = QTabWidget()
+        obj.currentChanged.connect(self.callback)
+        obj.currentChanged.emit(5)
+        self.assertEqual(self.arg, 5)
+
+if __name__ == "__main__":
+    unittest.main()