Squashed 'libbitcoinkernel-sys/bitcoin/' changes from 208700196015..dc54534648c5

dc54534648c5 Change kernel install directory temporarily
44c8782f9869 Add BlockReader functionality to kernel library
REVERT: 208700196015 Change kernel install directory temporarily
REVERT: 553a7131af46 Add BlockReader functionality to kernel library

git-subtree-dir: libbitcoinkernel-sys/bitcoin
git-subtree-split: dc54534648c54806d8edcb0b4398d35de6e45240

Author: alexanderwiederin

src/kernel/blockreader/blockreader.cpp

@@ -446,7 +446,7 @@ const kernel_BlockHash* kernel_transaction_out_point_get_hash(const kernel_Trans
     const auto* out_point = cast_const_transaction_out_point(_out_point);
 
     auto* block_hash = new kernel_BlockHash{};
-    std::memcpy(block_hash->hash, out_point->hash.begin(), sizeof(block_hash));
+    std::memcpy(block_hash->hash, out_point->hash.begin(), sizeof(block_hash->hash));
 
     return block_hash;
 }