body gets deleted here so better not access it afterwards. My guess is that
in many cases the actual free gets delayed long enough to not crash here but
better avoid this race in the first place.
CID: 1039896
EPhysics_Body is an Eina_Inlist, and Eina_Inlist iterator macros use
offsetof(). Since using offsetof in C++ classes is invalid,
EPhysics_Body must be a POD-type struct.