update swig on windows

winx64/bin/swigwin-4.0.0/Examples/test-suite/python/nested_runme.py

@@ -0,0 +1,20 @@
+from nested import *
+
+def check(a, b):
+    if a != b:
+        raise RuntimeError("Problem: {} != {}".format(a, b))
+xx = x_t()
+yy = y_t()
+aa = a_t()
+bb = b_t()
+cc = c_t()
+dd = d_t()
+
+set_union_values(100, xx, yy, aa, bb, cc, dd)
+
+check(xx.duplicate_p.x, 100)
+check(yy.duplicate_p.y, 101)
+check(aa.duplicate_p.a, 102)
+check(bb.duplicate_p.b, 103)
+check(cc.duplicate_p.c, 104)
+check(dd.duplicate_p.d, 105)