netatalk: backport pending PR to fix segfaults

This commit backports pending PR, which solves segfaults:
- Netatalk/netatalk#174

To fix issues with segfaults described here:
- openwrt#18571
- Netatalk/netatalk#175

Signed-off-by: Šimon Bořek <simon.borek@nic.cz>

net/netatalk/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=netatalk
 PKG_VERSION:=3.1.13
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@SF/netatalk