MSVC 2013, still supported and used in our CI, did not support that.
aead_psa.c(78): error C2099: initializer is not a constant
aead_psa.c(168): error C2057: expected constant expression
aead_psa.c(168): error C2466: cannot allocate an array of constant size 0
aead_psa.c(168): error C2133: 'out' : unknown size
aead_psa.c(169): warning C4034: sizeof returns 0
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>