disable a correct test which VC6 just doesn't want to grok (hopefully last buildbot error?)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56604 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/arrays/arrays.cpp

@@ -608,7 +608,12 @@ void DoTestSwap(T v1, T v2, T v3,
 void ArraysTestCase::Swap()
 {
     DoTestSwap("Foo", "Bar", "Baz", (wxArrayString *)NULL);
+
+    // VC6 can't compile this call with mysterious error about in DoTestSwap()
+#ifndef __VISUALC6__
     DoTestSwap(1, 10, 100, (wxArrayInt *)NULL);
+#endif
+
     DoTestSwap(6, 28, 496, (wxArrayLong *)NULL);
 }