Fix event premake

premake/event/premake5.lua

@@ -16,7 +16,8 @@ project "event"
         prebuildcommands { "xcopy /E /Y $(ProjectDir)..\\event\\WIN32-Code $(ProjectDir)..\\event\\include",
                            "xcopy /E /Y $(ProjectDir)..\\event\\WIN32-Code\\nmake $(ProjectDir)..\\event\\include" }
         files { "win32select.c", "evthread_win32.c", "buffer_iocp.c", "event_iocp.c", "bufferevent_async.c" }
-        defines { "WIN32" } -- quirk of old libevent
+        defines { "WIN32",
+                  "UINT32_MAX=0xffffffffui32" } -- quirk of old libevent
 
     filter "system:linux"
         files { "evthread_pthread.c", "epoll.c", "epoll_sub.c", "poll.c", "select.c" }