[ANSIfication] As suspected clang/Linux have it's own sort of warns ^^
[ANSIfication] Remove more warns on ncgg

!! Maybe a bug found in ncgg cgg.y with n_coerc call atline 612
[ANSIfication] Correct an incoherency with arith and label types.
[ANSIfication] Next batch of warning hunt...
[ANSIfication] Warning hunt on ego.