rpc-test-base.h: squelch a warning

Change-Id: I4ae8ebb0cb49e32f08f5c3f0c0f5061b029e0638
Reviewed-on: http://gerrit.cloudera.org:8080/15079
Tested-by: Kudu Jenkins
Reviewed-by: Alexey Serbin <aserbin@cloudera.com>
Reviewed-by: Andrew Wong <awong@cloudera.com>
diff --git a/src/kudu/rpc/rpc-test-base.h b/src/kudu/rpc/rpc-test-base.h
index 0b6f047..fcc7452 100644
--- a/src/kudu/rpc/rpc-test-base.h
+++ b/src/kudu/rpc/rpc-test-base.h
@@ -559,7 +559,9 @@
 
     // We shouldn't timeout significantly faster than our configured timeout, unless the
     // rpc is cancelled.
-    if (!will_be_cancelled) EXPECT_GE(elapsed_millis, expected_millis - 10);
+    if (!will_be_cancelled) {
+      EXPECT_GE(elapsed_millis, expected_millis - 10);
+    }
     // And we also shouldn't take the full time that we asked for
     EXPECT_LT(elapsed_millis * 1000, sleep_micros);
     if (will_be_cancelled) {