REVIEWED: `WaitTime()`, added validation #3377

src/rcore.c

@@ -2290,6 +2290,8 @@ void InitTimer(void)
 // Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timing on Win32!
 void WaitTime(double seconds)
 {
+    if (seconds < 0) return;
+    
 #if defined(SUPPORT_BUSY_WAIT_LOOP) || defined(SUPPORT_PARTIALBUSY_WAIT_LOOP)
     double destinationTime = GetTime() + seconds;
 #endif