fixed some embarrasingly old links

mikeblome · mikeblome · commit b7551655737f · 2019-05-02T13:34:51.000-07:00
diff --git a/docs/porting/porting-from-unix-to-win32.md b/docs/porting/porting-from-unix-to-win32.md
@@ -1,6 +1,6 @@
 ---
 title: "Porting from UNIX to Win32"
-ms.date: "08/02/2018"
+ms.date: "05/02/2019"
 helpviewer_keywords: ["APIs [C++], porting to Win32", "Windows API [C++], migrating from UNIX", "migration [C++]", "UNIX [C++], porting to Win32", "porting to Win32 [C++], from UNIX", "porting to Win32 [C++]", "Win32 applications [C++], migrating from UNIX"]
 ms.assetid: 3837e4fe-3f96-4f24-b2a1-7be94718a881
 ---
@@ -26,17 +26,9 @@ The [UNIX Custom Application Migration Guide](https://technet.microsoft.com/libr
 
 The [Unix Migration Project Guide](https://technet.microsoft.com/library/bb656287.aspx) supplements the UNIX Custom Application Migration Guide by providing high-level help on migrating substantial projects from UNIX to Win32. The Guide provides advice on issues to consider at each stage of project migration.
 
-### InteropSystems.com
-
-[http://www.interopsystems.com/](http://www.interopsystems.com/)
-
-A third party site for a company providing software supporting porting UNIX to Win32.
-
 ### C++ Boost Web Site
 
-[http://boost.sourceforge.net/regression-logs/](http://boost.sourceforge.net/regression-logs/)
-
-[http://boost.sourceforge.net/boost-build2/](http://boost.sourceforge.net/boost-build2/)
+[https://www.boost.org/](https://www.boost.org/)
 
 ## Porting UNIX applications directly to Win32
 
