update knowhere version

Former-commit-id: 0457623ff251b8bb925e289df0b9bf0ee097973c
2019-07-26 10:42:28 +08:00 · 2019-07-26 10:42:28 +08:00 · aa771e7c3d
parent f37ae7765a
commit aa771e7c3d
1 changed files with 1 additions and 1 deletions
--- a/cpp/thirdparty/knowhere
+++ b/cpp/thirdparty/knowhere
@ -1 +1 @@
-Subproject commit a9151773f8119392a87a3052974c47ec890d101d
+Subproject commit 81b28a753fc47b46364afa7b9414e249c4b2cd75