compile patch for boost 1.50 (thanks abma)

related patch in spring:
spring/spring@1d57e16

CScopedTimer.h

@@ -12,6 +12,12 @@
 #include "headers/HAIInterface.h"
 #include "headers/HEngine.h"
 
+#if (BOOST_VERSION >= 105000) // boost 1.50 renamed TIME_UTC to TIME_UTC_
+	#define boost_TIME_UTC_override boost::TIME_UTC_
+#else
+	#define boost_TIME_UTC_override boost::TIME_UTC
+#endif
+
 #define PROFILE(x) CScopedTimer t(std::string(#x), ai->cb);
 
 // Time interval in logic frames (1 min)
@@ -36,7 +42,7 @@ class CScopedTimer {
 
 	static unsigned int GetEngineRuntimeMSec() {
 		boost::xtime t;
-		boost::xtime_get(&t, boost::TIME_UTC);
+		boost::xtime_get(&t, boost_TIME_UTC_override);
 		const unsigned int milliSeconds = t.sec * 1000 + (t.nsec / 1000000);
 		return milliSeconds;
 	}