package/bandwithd: use /run for PIDFile

Fixes:

PIDFile= references a path below legacy directory /var/run/, updating
/var/run/bandwithd.pid → /run/bandwithd.pid; please update the unit file
accordingly.

Signed-off-by: Michael Nosthoff <buildroot@heine.tech>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/bandwidthd/bandwidthd.service

@@ -5,7 +5,7 @@ After=network.target
 [Service]
 Type=forking
 ExecStart=/usr/bin/bandwidthd
-PIDFile=/var/run/bandwidthd.pid
+PIDFile=/run/bandwidthd.pid
 
 [Install]
 WantedBy=multi-user.target