fixed build

Causeless · Causeless · commit 18acd489c8d1 · 2025-08-11T18:00:43.000+01:00
diff --git a/Source/System/Timer.h b/Source/System/Timer.h
@@ -2,6 +2,8 @@
 
 #include "TimerMan.h"
 
+#include <cmath>
+
 namespace RTE {
 
 	/// A precise timer for FPS sync etc.
