Generate flexible array members the c99 way instead of the GNU way #994
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There a re three ways to express flexible array members:
char fam[0];
char fam[1];
char fam[];
is the only standard way (in c99, but supported in c++ as an extension), the other two are GNU syntax (still supported in clang though).
Let's generate the standard syntax by default, while leaving it possible to use 1. through struct.gnu_flexible_array_members
Cython only supports the 1. mode.