Promote "Do not use static boost runtime" (#800)

Summary:
Pull Request resolved: #800

Promote {D46959547}.

Reviewed By: wsanville

Differential Revision: D47171356

fbshipit-source-id: 2e147f8b22ab47e5814f67ef532b285d8787e3d4

cmake_modules/Commons.cmake

@@ -41,7 +41,7 @@ macro(add_dependent_packages_for_redex)
 
     if(ENABLE_STATIC)
         set(Boost_USE_STATIC_LIBS ON)
-        if(NOT APPLE)
+        if((NOT APPLE) AND (NOT MINGW))
             set(Boost_USE_STATIC_RUNTIME ON)
         endif()
         set(Boost_USE_MULTITHREADED ON)