minor fixes for MSVC++ 2005 build

src/app_thread.cpp

@@ -25,6 +25,9 @@
 
 #if defined ZMQ_HAVE_WINDOWS
 #include "windows.hpp"
+#if defined _MSC_VER
+#include <intrin.h>
+#endif
 #else
 #include <unistd.h>
 #endif

src/fd.hpp

@@ -31,7 +31,7 @@ namespace zmq
 #ifdef ZMQ_HAVE_WINDOWS
 #if defined _MSC_VER &&_MSC_VER <= 1400
     typedef UINT_PTR fd_t;
-    enum {retired_fd = (fd_t)(~0)}
+    enum {retired_fd = (fd_t)(~0)};
 #else
     typedef SOCKET fd_t;
     enum {retired_fd = INVALID_SOCKET};

src/windows.hpp

@@ -47,6 +47,11 @@
 
 #include <windows.h>
 
+//  MSVC++ 2005 on Win2000 does not define _WIN32_WINNT.
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT WINVER
+#endif
+
 //  Enable winsock (not included when WIN32_LEAN_AND_MEAN is defined).
 #if(_WIN32_WINNT >= 0x0400)
 #include <winsock2.h>