coreos-base/update_engine: Fix keeping of needed Flatcar extensions

Pulls in flatcar/update_engine#51

Signed-off-by: Kai Lueke <kailuke@microsoft.com>

Author: pothos

changelog/bugfixes/2025-10-10-flatcar-extensions.md

@@ -0,0 +1 @@
+- Fixed that the needed Flatcar extensions don't get removed on update which caused a re-download ([update_engine#51](https://github.com/flatcar/update_engine/pull/51))

sdk_container/src/third_party/coreos-overlay/coreos-base/update_engine/update_engine-9999.ebuild

@@ -7,7 +7,7 @@ EGIT_REPO_URI="https://github.com/flatcar/update_engine.git"
 if [[ "${PV}" == 9999 ]]; then
 	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
 else
-	EGIT_COMMIT="aa31b3ea36b2c4d585406ab13dbdf2c4e8959a99" # main
+	EGIT_COMMIT="85eea2c932a0028b90d4db2f3d495ecf73f9342a" # main
 	KEYWORDS="amd64 arm64"
 fi