spring boost 1.50 TIME_UTC patch

diff --git a/rts/lib/headlessStubs/sdlstub_cppbit.cpp b/rts/lib/headlessStubs/sdlstub_cppbit.cpp
index e8e4790..8018d7b 100644
--- a/rts/lib/headlessStubs/sdlstub_cppbit.cpp
+++ b/rts/lib/headlessStubs/sdlstub_cppbit.cpp
@@ -15,7 +15,11 @@ extern "C" {
 int stub_sdl_getSystemMilliSeconds() {

    boost::xtime t;
+#if BOOST_VERSION >= 105000
+   boost::xtime_get(&t, boost::TIME_UTC_);
+#else
    boost::xtime_get(&t, boost::TIME_UTC);
+#endif
    const int milliSeconds = t.sec * 1000 + (t.nsec / 1000000);
    return milliSeconds;
 }
@@ -23,7 +27,11 @@ int stub_sdl_getSystemMilliSeconds() {
 void stub_sdl_sleepMilliSeconds(int milliSeconds) {

    boost::xtime t;
+#if BOOST_VERSION >= 105000
+   boost::xtime_get(&t, boost::TIME_UTC_);
+#else
    boost::xtime_get(&t, boost::TIME_UTC);
+#endif
    t.nsec += 1000000 * milliSeconds;
    boost::thread::sleep(t);
 }