engine: common: sys_con: enable writing build commit, os and arch to the engine.log

engine/common/sys_con.c

@@ -149,7 +149,7 @@ void Sys_InitLog( void )
 		s_ld.logfileno = fileno( s_ld.logfile );
 
 		fprintf( s_ld.logfile, "=================================================================================\n" );
-		fprintf( s_ld.logfile, "\t%s (build %i) started at %s\n", s_ld.title, Q_buildnum(), Q_timestamp( TIME_FULL ) );
+		fprintf( s_ld.logfile, "\t%s (build %i commit %s (%s-%s)) started at %s\n", s_ld.title, Q_buildnum(), Q_buildcommit(), Q_buildos(), Q_buildarch(), Q_timestamp( TIME_FULL ) );
 		fprintf( s_ld.logfile, "=================================================================================\n" );
 	}
 }