[Buildroot] [git commit branch/2020.11.x] package/irqbalance: fix systemd startup script (add RuntimeDirectory)

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=1697a41e731000b78b2fc8593bd6cfab657fac2d
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2020.11.x

- add RuntimeDirectory=irqbalance to create /run/irqbalanace needed to
  create socket /run/irqbalance/irqbalance<pid>.sock

Fixes:

  - Bug 13541 [1]

  /usr/sbin/irqbalance[158]: Daemon couldn't be bound to the file-based socket.

[1] https://bugs.busybox.net/show_bug.cgi?id=13541

Reported-by: Alfredo Pons Menargues <alfredo.pons at gmail.com>
Signed-off-by: Peter Seiderer <ps.report at gmx.net>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
(cherry picked from commit 60518c1d7680bff5efe879ee86f48e6092239c03)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/irqbalance/irqbalance.service | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/irqbalance/irqbalance.service b/package/irqbalance/irqbalance.service
index 9ba3be43bb..39574877fb 100644
--- a/package/irqbalance/irqbalance.service
+++ b/package/irqbalance/irqbalance.service
@@ -3,6 +3,7 @@ Description=irqbalance daemon
 After=syslog.target
 
 [Service]
+RuntimeDirectory=irqbalance
 ExecStart=/usr/sbin/irqbalance --foreground
 
 [Install]