tunneldigger: update to newest upstream commit (#216)

- fixes broken Broker reset bug in tunneldigger-client wlanslovenija/tunneldigger#87 - now tunneldigger client resets error-tags and starts from scratch, when no Brokers are left over
- added cmake related patches to Makefile

net/tunneldigger/Makefile

@@ -5,8 +5,8 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://github.com/wlanslovenija/tunneldigger.git
-PKG_SOURCE_DATE:=2017-12-13
-PKG_SOURCE_VERSION:=d7db350011076d6a83855d412885a29a7d142b6e
+PKG_SOURCE_DATE:=2019-04-01
+PKG_SOURCE_VERSION:=7c467e68021526b8631e8a53a9022aa223b1991c
 
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/cmake.mk