modules: update routing

c52779c Merge pull request #520 from ecsv/batadv-for-18.06
ee3264b batman-adv: Merge bugfixes from 2019.4
049cb8a Merge pull request #511 from adrianschmutzler/babeld1806
e80f582 babeld: Update to version 1.8.5
6e50f8b nodogsplash: Backport Version 4.0.1. (#493)
a551935 nodogsplash: Backport of Version 4.0.0. (#486)
bb156bf Merge pull request #455 from BKPepe/bird-openwrt18.06
d3f317b bird: update to version 1.6.6

modules

@@ -10,7 +10,7 @@ PACKAGES_PACKAGES_COMMIT=6305d09b1a56ae05f2c0f175b6d84cd2e584d786
 
 PACKAGES_ROUTING_REPO=https://github.com/openwrt-routing/packages.git
 PACKAGES_ROUTING_BRANCH=openwrt-18.06
-PACKAGES_ROUTING_COMMIT=7589804a56baac804421b492c93004c28a627abb
+PACKAGES_ROUTING_COMMIT=c52779c05a4cf838c736327d8b042ee59f782331
 
 PACKAGES_LUCI_REPO=https://github.com/openwrt/luci.git
 PACKAGES_LUCI_BRANCH=openwrt-18.06