modules: update Gluon packages

9a6ad5c batman-adv-legacy: update to 2018-01-23 git version
ea9c5dc batman-adv-legacy: update to 2018-01-22 git version

Fixes "hw csum failure" log spam in batman-adv-legacy.

modules

@@ -9,7 +9,7 @@ PACKAGES_OPENWRT_BRANCH=lede-17.01
 PACKAGES_OPENWRT_COMMIT=82ef2fd773987a72678a32b862f50085c3f57d56
 
 PACKAGES_GLUON_REPO=https://github.com/freifunk-gluon/packages.git
-PACKAGES_GLUON_COMMIT=fc194bc7c8a9053dc9591f27b8c6262fa2c0cb9d
+PACKAGES_GLUON_COMMIT=9a6ad5ce84f4d605f74a1170d383fc377a912bd9
 
 PACKAGES_ROUTING_REPO=https://github.com/openwrt-routing/packages.git
 PACKAGES_ROUTING_COMMIT=e656a6e0e69dd45b7caa24775bc86b6eb5dcfe7f