Add return value to cba_fnc_preStart

[PabstMirror]

Fix

 [0,9.635,0,"XEH: PreStart finished."]
 Error in expression <",_x] call bis_fnc_logFormat;
_function = [] call (uinamespace getvariable _x);
>
   Error position: <= [] call (uinamespace getvariable _x);
>
   Error Generic error in expression
 File A3\functions_f\initFunctions.sqf, line 499

a3 does

			_function = [] call (uinamespace getvariable _x);
			uinamespace setvariable [_x + "_preStart",_function];

and c = call {a=b} throws error

[commy2]

Remember that one time when I said to never end your function with an assignment operator?