Changes related to stream includes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@818 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/utilscmn.cpp

@@ -32,11 +32,15 @@
 
 #if wxUSE_IOSTREAMH
 #include <iostream.h>
+#include <fstream.h>
 #else
 #include <iostream>
+#include <fstream>
+#  ifdef _MSC_VER
+      using namespace std;
+#  endif
 #endif
 
-#include <fstream.h>
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>