tree d376e925a1998081cee41c44a146f465cc6dead2
parent 26728951f5d9418c2e25c3966e0ce038c8513ce5
author Philipp Maier <pmaier@sysmocom.de> 1639492373 +0100
committer Philipp Maier <pmaier@sysmocom.de> 1639563204 +0100

stat_item: tolerate NULL pointer argument in osmo_stat_item_group_free

Just like rate_ctr_group_free, osmo_stat_item_group_free should tolerate
it when the argument is NULL

Change-Id: I23323833e7268356a50c4fc6a19639c4ecd2a101