libcr51sign: Fix struct size warning

The code is currently correct in the usage of the
signature_rsa4096_pkcs15 struct, but GCC infers that we could use
members past the end of the buffer it comes from.

Change-Id: I728e7361dd677fcce498857124dbe8908aaac64d
Signed-off-by: William A. Kennington III <wak@google.com>
1 file changed