libxerces-c: use xz and sha256 and switch from git to apache releases

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

libs/libxerces-c/Makefile

@@ -7,15 +7,13 @@
 
 include $(TOPDIR)/rules.mk
 
-PKG_NAME:=libxerces-c
+PKG_NAME:=xerces-c
 PKG_VERSION:=3.1.4
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
-PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=git://git.apache.org/xerces-c.git
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=Xerces-C_3_1_4
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=@APACHE/xerces/c/3/sources
+PKG_MD5SUM:=9973cc79481803f8b6652c52faf5195d963f50d209d4f681ec97e2aa014b6241
 PKG_MAINTAINER:=Álvaro Fernández Rojas <noltari@gmail.com>
 
 PKG_LICENSE:=Apache-2.0