Fix for new serialization system and StringHashes

Source/Engine/Core/Variant.h

@@ -839,6 +839,7 @@ template<> inline VariantType GetVariantType<Vector4>() { return VAR_VECTOR4; }
 template<> inline VariantType GetVariantType<Quaternion>() { return VAR_QUATERNION; }
 template<> inline VariantType GetVariantType<Color>() { return VAR_COLOR; }
 template<> inline VariantType GetVariantType<String>() { return VAR_STRING; }
+template<> inline VariantType GetVariantType<StringHash>() { return VAR_INT; }
 template<> inline VariantType GetVariantType<PODVector<unsigned char> >() { return VAR_BUFFER; }
 template<> inline VariantType GetVariantType<ResourceRef>() { return VAR_RESOURCEREF; }
 template<> inline VariantType GetVariantType<ResourceRefList>() { return VAR_RESOURCEREFLIST; }