htc: fix event wait loops for rpc clients

libraries/libstratosphere/source/htcfs/htcfs_client_impl.cpp

@@ -147,7 +147,7 @@ namespace ams::htcfs {
             }
 
             /* Clear the channel state event. */
-            os::ClearEvent(channel_state_event);;
+            os::ClearEvent(channel_state_event);
         }
         return idx;
     }