Convert swigobject python test to be python 2 and 3 compatible

Examples/test-suite/python/swigobject_runme.py

@@ -1,5 +1,5 @@
-
 from swigobject import *
+import sys
 
 a = A()
 
@@ -11,7 +11,11 @@ if a1.this != a2.this:
     raise RuntimeError
 
 
-lthis = long(a.this)
+if sys.version_info[0:2] < (3, 0):
+    lthis = long(a.this)
+else:
+    lthis = int(a.this)
+
 # match pointer value, but deal with leading zeros on 8/16 bit systems and
 # different C++ compilers interpretation of %p
 xstr1 = "%016X" % (lthis,)
@@ -30,5 +34,10 @@ r = repr(a.this)
 
 v1 = v_ptr(a)
 v2 = v_ptr(a)
-if long(v1) != long(v2):
-    raise RuntimeError
+
+if sys.version_info[0:2] < (3, 0):
+    if long(v1) != long(v2):
+        raise RuntimeError
+else:
+    if int(v1) != int(v2):
+        raise RuntimeError