tests: fix unused variable warning

Signed-off-by: Loic Dachary <ldachary@redhat.com>

diff --git a/src/test/msgr/test_async_driver.cc b/src/test/msgr/test_async_driver.cc
index 91af54f79795bc9fdc0538a8b63d8c8f21f0acd0..3b4edcf23e507e4e88e628d928d31dfac019d7e5 100644 (file)
--- a/src/test/msgr/test_async_driver.cc
+++ b/src/test/msgr/test_async_driver.cc
@@ -251,7 +251,7 @@ TEST(EventCenterTest, FileEventExpansion) {
   center.init(100);
   EventCallbackRef e(new FakeEvent());
   for (int i = 0; i < 10000; i++) {
-    int s = ::socket(AF_INET, SOCK_STREAM, 0);
+    (void)::socket(AF_INET, SOCK_STREAM, 0);
     center.create_file_event(i, EVENT_READABLE, e);
     sds.push_back(::socket(AF_INET, SOCK_STREAM, 0));
   }