Add parentheses

src/core/lib/iomgr/fork_posix.cc

@@ -61,8 +61,8 @@ void grpc_prefork() {
   }
   const char* poll_strategy_name = grpc_get_poll_strategy_name();
   if (poll_strategy_name == nullptr ||
-      strcmp(poll_strategy_name, "epoll1") != 0 &&
-          strcmp(poll_strategy_name, "poll") != 0) {
+      (strcmp(poll_strategy_name, "epoll1") != 0 &&
+       strcmp(poll_strategy_name, "poll") != 0)) {
     gpr_log(GPR_INFO,
             "Fork support is only compatible with the epoll1 and poll polling "
             "strategies");