Fixed Clang warning.

3rdparty/UnitTest++/src/Posix/SignalTranslator.h

@@ -22,8 +22,8 @@ private:
     struct sigaction m_old_SIGTRAP_action;
     struct sigaction m_old_SIGSEGV_action;
     struct sigaction m_old_SIGBUS_action;
-    struct sigaction m_old_SIGABRT_action;
-    struct sigaction m_old_SIGALRM_action;
+//    struct sigaction m_old_SIGABRT_action;
+//    struct sigaction m_old_SIGALRM_action;
 };
 
 #if !defined (__GNUC__)