Fix compile warning (#5657)

code/AssetLib/glTF2/glTF2Asset.inl

@@ -1440,7 +1440,7 @@ inline void MaterialSheen::SetDefaults() {
 inline void MaterialVolume::SetDefaults() {
     //KHR_materials_volume properties
     thicknessFactor = 0.f;
-    attenuationDistance = INFINITY;
+    attenuationDistance = std::numeric_limits<float>::infinity();
     SetVector(attenuationColor, defaultAttenuationColor);
 }
 

code/AssetLib/glTF2/glTF2AssetWriter.inl

@@ -507,7 +507,7 @@ namespace glTF2 {
 
             WriteTex(materialVolume, volume.thicknessTexture, "thicknessTexture", w.mAl);
 
-            if (volume.attenuationDistance != INFINITY) {
+            if (volume.attenuationDistance != std::numeric_limits<float>::infinity()) {
                 WriteFloat(materialVolume, volume.attenuationDistance, "attenuationDistance", w.mAl);
             }