Replace the (deprecated) auto_ptr with unique_ptr.

This was mostly a s/auto_ptr/unique_ptr/, except in the CVC code and one
function in ECDSA, which relied on auto_ptr's move semantics (ugh) and had
to be modified in various ways.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/math/numbertheory/dsa_gen.cpp b/src/math/numbertheory/dsa_gen.cpp
index 83646e50e..d5f6dc792 100644
--- a/src/math/numbertheory/dsa_gen.cpp
+++ b/src/math/numbertheory/dsa_gen.cpp
@@ -54,7 +54,7 @@ bool generate_dsa_primes(RandomNumberGenerator& rng,
          "Generating a DSA parameter set with a " + to_string(qbits) +
          "long q requires a seed at least as many bits long");
 
-   std::auto_ptr<HashFunction> hash(
+   std::unique_ptr<HashFunction> hash(
       af.make_hash_function("SHA-" + to_string(qbits)));
 
    const u32bit HASH_SIZE = hash->OUTPUT_LENGTH;