diff -r 22b67b4cf067 -r 13bd3a8df334 jitcraft/Platform-Windows.cpp
--- a/jitcraft/Platform-Windows.cpp	Sat Jul 07 01:45:33 2012 -0400
+++ b/jitcraft/Platform-Windows.cpp	Sat Jul 07 17:11:31 2012 -0700
@@ -63,11 +63,11 @@
 }
 
 static Address
-MapMemoryAt(Address address, size_t amount, MapMode mode, Protection prot_)
+MapMemoryAt(Address address, size_t amount, OS::MapMode mode, OS::Protection prot_)
 {
     DWORD bits = ToProtBits(prot_);
     DWORD flags = MEM_RESERVE;
-    if (mode == Map_Commit)
+    if (mode == OS::Map_Commit)
         flags |= MEM_COMMIT;
 
     Address x = (Address)VirtualAlloc((LPVOID)address, amount, flags, bits);