Potential fix for weird NaN values (#4174)

* Fix bug

* Update CMultiplayerSA_FrameRateFixes.cpp

* Update CMultiplayerSA_FrameRateFixes.cpp

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Co-authored-by: Dutchman101 <12105539+Dutchman101@users.noreply.github.com>

Author: FileEX

Client/multiplayer_sa/CMultiplayerSA_FrameRateFixes.cpp

@@ -602,6 +602,7 @@ static void __declspec(naked) HOOK_CWeapon_Update()
         fmul st(0), st(1) // (m_timeToNextShootInMS - CTimer::m_snTimeInMilliseconds) * (timeStep / kOriginalTimeStep)
         fadd st(0), ebx // + m_snTimeInMilliseconds
         fistp [esi+10h]
+        fstp st(0)
 
         mov eax, ebx