Taylor R Campbell ca1200df03 krb5_decrypt_iov_ivec: Make sure const zero IV is actually const. ...

This way if anything _does_ write to it, it has the opportunity to be
caught by SIGSEGV, by having zero_ivec in a .rodata segment mapped
read-only.

fix https://github.com/heimdal/heimdal/issues/1135

2023-06-20 12:19:48 -05:00

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