odhcp6c: update to Git HEAD (2025-12-09)

5212a1019d75 odhcp6c: clear the socket buffer after initialising it

https://github.com/openwrt/odhcp6c/compare/1d6c4e794cdb...5212a1019d75

Signed-off-by: Álvaro Fernández Rojas <[email protected]>

package/network/ipv6/odhcp6c/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/odhcp6c.git
-PKG_SOURCE_DATE:=2025-12-06
-PKG_SOURCE_VERSION:=1d6c4e794cdb86963e29b7dc332d0bc20ba6306c
-PKG_MIRROR_HASH:=b7c8fb6c76a7c2f2ef3d9bb9e867e8b9f54b4ecb535d6715c0da1fdaebb6ce51
+PKG_SOURCE_DATE:=2025-12-09
+PKG_SOURCE_VERSION:=5212a1019d75db47a03c95c12e385e4625dda3d0
+PKG_MIRROR_HASH:=9c6501ea995c685e4e1b65ae74cbaecb6f787a493fdd5f8d3d095aeb0466b418
 
 PKG_MAINTAINER:=Álvaro Fernández Rojas <[email protected]>
 PKG_LICENSE:=GPL-2.0