Magazine Repack - Minor optimisation (#10793)

Update fnc_startRepackingMagazine.sqf

Author: johnb432

addons/magazinerepack/functions/fnc_startRepackingMagazine.sqf

@@ -59,7 +59,7 @@ private _startingAmmoCounts = [];
 if (count _startingAmmoCounts < 2) exitWith {ERROR("Not Enough Mags to Repack");};
 
 private _simEvents = [_fullMagazineCount, _startingAmmoCounts, _isBelt] call FUNC(simulateRepackEvents);
-private _totalTime = _simEvents select (count _simEvents - 1) select 0;
+private _totalTime = _simEvents select -1 select 0;
 
 if (GVAR(repackAnimation)) then {
     [_player, "Gear"] call EFUNC(common,doGesture);