package/keepalived: bump to version 2.1.4
This will fix a build failure with kernel 4.15 thanks to:
https://github.com/acassen/keepalived/commit/d47ae3b1c853adefb9680ba31cf05c037d844445
Fixes:
- http://autobuild.buildroot.org/results/db7f149f63e9180b22460caa74850673362aa17c
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>