unittest: fix a mem leak in chain_xattr test.

Signed-off-by: Dongsheng Yang <dongsheng.yang@easystack.cn>

diff --git a/src/test/objectstore/chain_xattr.cc b/src/test/objectstore/chain_xattr.cc
index d3b4b1e9eeafae4d393e366fbf6d8229a982329b..65ab2536db4879d2dc26912a5689522ef40b82b0 100644 (file)
--- a/src/test/objectstore/chain_xattr.cc
+++ b/src/test/objectstore/chain_xattr.cc
@@ -255,6 +255,7 @@ TEST(chain_xattr, listxattr) {
   ASSERT_EQ(0, chain_removexattr(file, name1.c_str()));
   ASSERT_EQ(0, chain_removexattr(file, name2.c_str()));
 
+  free(actual);
   free(expected);
   ::unlink(file);
 }