add knowhere submodule back

Former-commit-id: b55a72fb55aea84b8df68971bd02188d51d21aed
This commit is contained in:
Yu Kun 2019-08-08 17:46:41 +08:00
parent 87226f5e92
commit e4622314a8

@ -1 +1 @@
Subproject commit 6a4f242ec40c539f1e6d9a7305282f7ff03c19d2
Subproject commit 98c56500b5b26a3502e2fea474586267ac6625f0