zsh: bump to version 5.5

We now have tar.xz archive again, use that.

Cc: Phil Eichinger <phil.eichinger@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/zsh/zsh.hash

@@ -1,7 +1,7 @@
 # From http://www.zsh.org/pub/MD5SUM
-md5	dfe156fd69b0d8d1745ecf6d6e02e047	zsh-5.4.2.tar.gz
+md5	5c3b294e63b6cc8da8bcc364c72d954b	zsh-5.5.tar.xz
 # Calculated based on the hash above and after checking signature
-# http://www.zsh.org/pub/zsh-5.4.2.tar.gz.asc
-sha256	957bcdb2c57f64c02f673693ea5a7518ef24b6557aeb3a4ce222cefa6d74acc9	zsh-5.4.2.tar.gz
+# http://www.zsh.org/pub/zsh-5.5.tar.xz.asc
+sha256	a8359b81d090425d497c6f3c724a7c21a81c614b03e7662ed347705d86958e53	zsh-5.5.tar.xz
 # Locally calculated
 sha256	d06fdf3ef9b1ec69d6b9e170b0a9516fbad3523261ff1668bde3bfea6e0ef5f5  LICENCE

package/zsh/zsh.mk

@@ -4,8 +4,9 @@
 #
 ################################################################################
 
-ZSH_VERSION = 5.4.2
+ZSH_VERSION = 5.5
 ZSH_SITE = http://www.zsh.org/pub
+ZSH_SOURCE = zsh-$(ZSH_VERSION).tar.xz
 ZSH_DEPENDENCIES = ncurses
 ZSH_CONF_OPTS = --bindir=/bin
 ZSH_CONF_ENV = zsh_cv_sys_nis=no zsh_cv_sys_nis_plus=no