[openwrt/openwrt] umdns: add syscalls needed on Aarch64

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/36ee555c5fe0dcb77f6bcec72d8be223ba897b48

commit 36ee555c5fe0dcb77f6bcec72d8be223ba897b48
Author: Daniel Golle <daniel at makrotopia.org>
AuthorDate: Fri Mar 19 22:32:12 2021 +0000

    umdns: add syscalls needed on Aarch64
    
    Now that ujail supports seccomp also on Aarch64, add missing syscall
    'fstat' to the list of allowed syscalls.
    
    Signed-off-by: Daniel Golle <daniel at makrotopia.org>
    (cherry picked from commit d28880cdd86e10142fd86936f5da188eaeeaf9eb)
---
 package/network/services/umdns/files/umdns.json | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/network/services/umdns/files/umdns.json b/package/network/services/umdns/files/umdns.json
index 14affd776c..4d5ed886d0 100644
--- a/package/network/services/umdns/files/umdns.json
+++ b/package/network/services/umdns/files/umdns.json
@@ -24,6 +24,7 @@
 				"pipe",
 				"poll",
 				"fcntl64",
+				"fstat",
 				"epoll_create",
 				"epoll_create1",
 				"epoll_ctl",