ddns-scripts: update PKG_VERSION to 2.8.1

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/ddns-scripts/Makefile

@@ -7,8 +7,8 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ddns-scripts
-PKG_VERSION:=2.8.0
-PKG_RELEASE:=24
+PKG_VERSION:=2.8.1
+PKG_RELEASE:=1
 
 PKG_LICENSE:=GPL-2.0