modules: update Gluon packages

5c6476ea5893 autoupdater: use safe allocation functions
3566cabef51d autoupdater: add safe allocation functions
0b61fee98e85 autoupdater: Check if allocation of uci contect was successfull
c802276581e0 autoupdater: uclient: fix nullpointer dereference on invalid URL (#183)

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=7abd688e6ae7c4dae3f8dfee7e283c41400e870a
+PACKAGES_GLUON_COMMIT=5c6476ea5893b187aa7aba1063323f38712f3455
 
 PACKAGES_ROUTING_REPO=https://github.com/openwrt-routing/packages.git
 PACKAGES_ROUTING_COMMIT=c5f18d5a2a83cb1109aa68ce52dfb05f4c307a4f