tests: updated valgrind.suppress for latest glibc.

Author: agentzh

valgrind.suppress

@@ -190,3 +190,39 @@
    fun:ngx_set_environment
    fun:ngx_single_process_cycle
 }
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Param
+   epoll_pwait(sigmask)
+   fun:epoll_pwait
+   fun:epoll_wait
+   fun:ngx_epoll_process_events
+   fun:ngx_process_events_and_timers
+}
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Param
+   epoll_pwait(sigmask)
+   fun:epoll_pwait
+   fun:epoll_wait
+   fun:ngx_epoll_test_rdhup
+   fun:ngx_epoll_init
+   fun:ngx_event_process_init
+}
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Param
+   epoll_pwait(sigmask)
+   fun:epoll_pwait
+   fun:ngx_epoll_process_events
+   fun:ngx_process_events_and_timers
+}
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Param
+   epoll_pwait(sigmask)
+   fun:epoll_pwait
+   fun:ngx_epoll_test_rdhup
+   fun:ngx_epoll_init
+   fun:ngx_event_process_init
+}