Fix windows build.

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/550063002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23761 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/base/platform/platform-win32.cc

@@ -786,7 +786,7 @@ void* OS::Allocate(const size_t requested,
 
   if (mbase == NULL) return NULL;
 
-  DCHECK((static_cast<uintptr_t>(mbase) % OS::AllocateAlignment()) == 0);
+  DCHECK((reinterpret_cast<uintptr_t>(mbase) % OS::AllocateAlignment()) == 0);
 
   *allocated = msize;
   return mbase;