Updating packages to yesterdays HEAD of openwrt-19.07

fdf5d41b5 rrdtool1: modify logarithmic scale labelling
9f20fbba5 collectd: add syslog json plugin
7ceb83acf collectd: SQM collect data from some qdiscs
18128f79d collectd: bump PKG_RELEASE
8dcc144b9 collectd: sqm_collectd improve interface name filter
f89580290 collectd: Improve sqm_collectd error reporting
9a38e786f collectd: sqm_collectd: improve error handling
49685b6be collectd: sqm_collect: tidy interval string handling

modules

@@ -3,7 +3,7 @@ OPENWRT_COMMIT=e752fc1ff9d1d4f50a32155dd714dcde4b070bd4
 OPENWRT_BRANCH=openwrt-19.07
 
 PACKAGES_PACKAGES_REPO=https://github.com/openwrt/packages.git
-PACKAGES_PACKAGES_COMMIT=e667100a92db7b92fb54d34fbde74f8db6f908ee
+PACKAGES_PACKAGES_COMMIT=49685b6bef2ac846efa29fd51d76731950696961
 PACKAGES_PACKAGES_BRANCH=openwrt-19.07
 
 PACKAGES_LUCI_REPO=https://github.com/openwrt/luci.git