Fix for old GCC and Clang

They don't understand unique_ptr<Derived> to unique_ptr<Base> without help
https://stackoverflow.com/questions/22018115/converting-stdunique-ptrderived-to-stdunique-ptrbase

2 files changed, 2 insertions, 2 deletions

diff --git a/src/lib/hash/comb4p/comb4p.cpp b/src/lib/hash/comb4p/comb4p.cpp
index a6c40b801..f6c20f35e 100644
--- a/src/lib/hash/comb4p/comb4p.cpp
+++ b/src/lib/hash/comb4p/comb4p.cpp
@@ -74,7 +74,7 @@ std::unique_ptr<HashFunction> Comb4P::copy_state() const
    std::unique_ptr<Comb4P> copy(new Comb4P);
    copy->m_hash1 = m_hash1->copy_state();
    copy->m_hash2 = m_hash2->copy_state();
-   return copy;
+   return std::move(copy);
    }
 
 void Comb4P::add_data(const uint8_t input[], size_t length)
diff --git a/src/lib/hash/skein/skein_512.cpp b/src/lib/hash/skein/skein_512.cpp
index a3bbde9a7..eaa3090a4 100644
--- a/src/lib/hash/skein/skein_512.cpp
+++ b/src/lib/hash/skein/skein_512.cpp
@@ -47,7 +47,7 @@ std::unique_ptr<HashFunction> Skein_512::copy_state() const
    copy->m_buffer = this->m_buffer;
    copy->m_buf_pos = this->m_buf_pos;
 
-   return copy;
+   return std::move(copy);
    }
 
 void Skein_512::clear()