Fix formatting

Author: ldionne

libcxx/test/std/thread/thread.condition/thread.condition.condvar/wait_for.pass.cpp

@@ -43,9 +43,9 @@ int main(int, char**) {
   // happen that we get awoken spuriously and fail to recognize it
   // (making this test useless), but the likelihood should be small.
   {
-    std::atomic<bool> ready           (false);
-    std::atomic<bool> likely_spurious (true);
-    auto timeout                      = std::chrono::seconds(3600);
+    std::atomic<bool> ready(false);
+    std::atomic<bool> likely_spurious(true);
+    auto timeout = std::chrono::seconds(3600);
     std::condition_variable cv;
     std::mutex mutex;