[201811][sairedis] advance sub-module head (#3247)

Submodule src/sonic-sairedis 4c75b7f..54c8e78:
  > [saisdkdump]: Fix dump generation crash (#493)
  > Fix bug: Restore sai log levels from LOGLEVEL_DB after saiDiscover (#491)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>
This commit is contained in:
Ying Xie 2019-07-31 16:37:48 -07:00 committed by GitHub
parent 7f526b8dd7
commit d45d00d1a0
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@ -1 +1 @@
Subproject commit 4c75b7f6a47d44ceb033deea7c2c711a9d27cb7a
Subproject commit 54c8e78d712fb0d8a56f032a39eb746b2b5976af