[lldb] Fix a warning

kazutakahirata · kazutakahirata · commit acf961181116 · 2025-08-25T23:52:03.000-07:00
This patch fixes:

  lldb/unittests/Protocol/ProtocolMCPServerTest.cpp:285:14: error:
  unused variable 'mutex' [-Werror,-Wunused-variable]
diff --git a/lldb/unittests/Protocol/ProtocolMCPServerTest.cpp b/lldb/unittests/Protocol/ProtocolMCPServerTest.cpp
@@ -282,7 +282,6 @@ TEST_F(ProtocolServerMCPTest, ToolsCallFail) {
 TEST_F(ProtocolServerMCPTest, NotificationInitialized) {
   bool handler_called = false;
   std::condition_variable cv;
-  std::mutex mutex;
 
   server_up->AddNotificationHandler(
       "notifications/initialized",
