Fix L4D2FWA_PenetrationNumLayers

[jensewe]

L4D1

  v36 = (float)*((int *)this + 603);
  v37 = KeyValues::GetFloat(a2, "PenetrationNumLayers", v36);
  *((_DWORD *)this + 603) = (int)v37;

L4D2

  v43 = KeyValues::GetFloat(a3, "PenetrationNumLayers", (float)*((int *)this + 786));
  v5 = *((float *)this + 787);
  *((_DWORD *)this + 786) = (int)v43;

Seems g_bLeft4Dead2 was checked at the previously wrong placed fix, but both have the attribute set as int.

Fix:

• Fixed storing float to int variable when setting float attribute "L4D2FWA_PenetrationNumLayers".