linux-user: add strace for dup3

Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <mvmsgoe17l5.fsf@suse.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/strace.list

@@ -121,6 +121,9 @@
 #ifdef TARGET_NR_dup2
 { TARGET_NR_dup2, "dup2" , NULL, NULL, NULL },
 #endif
+#ifdef TARGET_NR_dup3
+{ TARGET_NR_dup3, "dup3" , NULL, NULL, NULL },
+#endif
 #ifdef TARGET_NR_epoll_create
 { TARGET_NR_epoll_create, "epoll_create" , NULL, NULL, NULL },
 #endif