wayland: bump to version 1.8.1

- Bump to version 1.8.1
- Update hash file

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/wayland/wayland.hash

@@ -1,2 +1,2 @@
-# From: http://lists.freedesktop.org/archives/wayland-devel/2015-February/019976.html
-sha256  bdea47a2db96f7e53f1ce0351559c0af5b7f7aae7e95f0a884a78af9f1057c9c  wayland-1.7.0.tar.xz
+# From: http://lists.freedesktop.org/archives/wayland-devel/2015-June/022630.html
+sha256  f17c938d1c24fd0a10f650a623a2775d329db3168b5732e498b08388ec776fc8 wayland-1.8.1.tar.xz

package/wayland/wayland.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WAYLAND_VERSION = 1.7.0
+WAYLAND_VERSION = 1.8.1
 WAYLAND_SITE = http://wayland.freedesktop.org/releases
 WAYLAND_SOURCE = wayland-$(WAYLAND_VERSION).tar.xz
 WAYLAND_LICENSE = MIT