Remove extra semi colon from cacheclient/tao/error_info/TaoErrorInfo.cpp

Summary:
`-Wextra-semi` or `-Wextra-semi-stmt`

If the code compiles, this is safe to land.

Reviewed By: palmje

Differential Revision: D55087340

fbshipit-source-id: f0e2515c04e9ea5f1b58e600364474429e62929f

Author: r-barnes

cachelib/experimental/objcache/Persistence.h

@@ -318,7 +318,6 @@ class ObjectCacheRestorer {
         XLOG(ERR)
             << "forceStopWorker: Restorer thread did not stop, thread name =  "
             << restorer->getName();
-        ;
       }
     }
   }