Add a newline and fflush so that it actually shows up in the output

Change-Id: Iea123118614ecf038883a0d51337042574ebc6b2

vcl/qa/cppunit/timer.cxx

@@ -42,7 +42,8 @@ public:
         aWait.Seconds = mnSeconds;
         aWait.Nanosec = 1000000; // +1ms
         osl::Thread::wait( aWait );
-        fprintf(stderr, "ERROR: WatchDog timer thread expired, failing the test!");
+        fprintf(stderr, "ERROR: WatchDog timer thread expired, failing the test!\n");
+        fflush(stderr);
         CPPUNIT_ASSERT_MESSAGE("watchdog triggered", false);
     }
 };