tools/xz: bump to 5.4.2

Release Notes:
https://git.tukaani.org/?p=xz.git;a=blob;f=NEWS;hb=HEAD

Signed-off-by: Linhui Liu <[email protected]>

tools/xz/Makefile

@@ -7,12 +7,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=xz
-PKG_VERSION:=5.4.1
+PKG_VERSION:=5.4.2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@SF/lzmautils \
 		http://tukaani.org/xz
-PKG_HASH:=dd172acb53867a68012f94c17389401b2f274a1aa5ae8f84cbfb8b7e383ea8d3
+PKG_HASH:=aa49909cbd9028c4666a35fa4975f9a6203ed98154fbb8223ee43ef9ceee97c3
 PKG_CPE_ID:=cpe:/a:tukaani:xz
 
 HOST_BUILD_PARALLEL:=1