ca-certificates: update to version 20190110

- Tested on Turris MOX, OpenWrt master
- Removed PKG_BUILD_DIR
In build_dir there were two folders
ca-certificates and ca-certificates-20190110 and it failed as files
were in ca-certificates-20190110

Signed-off-by: Josef Schlehofer <josef.schlehofer@nic.cz>

package/system/ca-certificates/Makefile

@@ -7,14 +7,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ca-certificates
-PKG_VERSION:=20180409
-PKG_RELEASE:=3
+PKG_VERSION:=20190110
+PKG_RELEASE:=1
 PKG_MAINTAINER:=
 
 PKG_SOURCE:=$(PKG_NAME)_$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=http://ftp.debian.org/debian/pool/main/c/ca-certificates
-PKG_HASH:=7af6f5bfc619fd29cbf0258c1d95107c38ce840ad6274e343e1e0d971fc72b51
-PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
+PKG_HASH:=ee4bf0f4c6398005f5b5ca4e0b87b82837ac5c3b0280a1cb3a63c47555c3a675
 
 PKG_INSTALL:=1