Disable another warning that shows up with the CI compiler.
Disable another warning that shows up with the CI compiler.

Memcache

Signed-off-by: Henner Zeller <259ad50fabbfd39355f36ecd6c0afca541ea66ef@acm.org>

chipsalliance/verible,chipsalliance/verible,chipsalliance/verible,chipsalliance/verible,chipsalliance/verible