Update all uses of MemoryRegion::append to use either push_back or operator+=

1 files changed, 1 insertions, 1 deletions

diff --git a/src/kdf/kdf2/kdf2.cpp b/src/kdf/kdf2/kdf2.cpp
index 8106ba07d..14cc29a31 100644
--- a/src/kdf/kdf2/kdf2.cpp
+++ b/src/kdf/kdf2/kdf2.cpp
@@ -29,7 +29,7 @@ SecureVector<byte> KDF2::derive(u32bit out_len,
       SecureVector<byte> hash_result = hash->final();
 
       u32bit added = std::min<u32bit>(hash_result.size(), out_len);
-      output.append(&hash_result[0], added);
+      output += std::make_pair(&hash_result[0], added);
       out_len -= added;
 
       ++counter;