dectmngr 3.1.18: support DECT multiple line mode

dectmngr/Makefile

@@ -8,13 +8,13 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dectmngr
 PKG_RELEASE:=3
-PKG_VERSION:=3.1.17
+PKG_VERSION:=3.1.18
 
 LOCAL_DEV=0
 ifneq ($(LOCAL_DEV),1)
 PKG_SOURCE_URL:=https://dev.iopsys.eu/iopsys/dectmngr.git
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=0a0b9cb7ef5f82c6f129681a76d8ebc671b7cbd2
+PKG_SOURCE_VERSION:=c2dc3d401ccb5e012f5e0e1df432f8eaf0bc6480
 PKG_MIRROR_HASH:=skip
 endif