added destroyAllWindows at end

samples/python/edge.py

@@ -57,3 +57,4 @@ if __name__ == '__main__':
 
     # wait a key pressed to end
     cv.WaitKey(0)
+    cv.DestroyAllWindows()

samples/python/fback.py

@@ -53,3 +53,4 @@ class FBackDemo:
 if __name__=="__main__":
     demo = FBackDemo()
     demo.run()
+    cv.DestroyAllWindows()

samples/python/ffilldemo.py

@@ -157,3 +157,4 @@ if __name__ == "__main__":
         elif c == ord('8'):
             print("8-connectivity mode is set");
             connectivity = 8;
+    cv.DestroyAllWindows()

samples/python/houghlines.py

@@ -55,3 +55,4 @@ if __name__ == "__main__":
             USE_STANDARD = not USE_STANDARD
         if k == 27:
             break
+    cv.DestroyAllWindows()

samples/python/inpaint.py

@@ -66,3 +66,4 @@ if __name__=="__main__":
         if c == ord('i') or c == ord('\n'):
             cv.Inpaint(img, inpaint_mask, inpainted, 3, cv.CV_INPAINT_TELEA)
             cv.ShowImage("inpainted image", inpainted)
+    cv.DestroyAllWindows()

samples/python/lkdemo.py

@@ -189,3 +189,4 @@ if __name__ == '__main__':
               night_mode = not night_mode
           elif cc == ' ':
               fc = (fc + 1) % len(frames)
+    cv.DestroyAllWindows()

samples/python/logpolar.py

@@ -42,3 +42,4 @@ if __name__ == "__main__":
     
     cv.ShowImage("original", src)
     cv.WaitKey()
+    cv.DestroyAllWindows()

samples/python/minarea.py

@@ -59,3 +59,4 @@ if __name__ == "__main__":
             break
 
         use_seq = not use_seq
+    cv.DestroyAllWindows()