hicolor-icon-theme: bump to version 0.15

Also add hash file.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/hicolor-icon-theme/hicolor-icon-theme.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	9cc45ac3318c31212ea2d8cb99e64020732393ee7630fa6c1810af5f987033cc	hicolor-icon-theme-0.15.tar.xz

package/hicolor-icon-theme/hicolor-icon-theme.mk

@@ -4,8 +4,9 @@
 #
 ################################################################################
 
-HICOLOR_ICON_THEME_VERSION = 0.13
+HICOLOR_ICON_THEME_VERSION = 0.15
 HICOLOR_ICON_THEME_SITE = http://icon-theme.freedesktop.org/releases
+HICOLOR_ICON_THEME_SOURCE = hicolor-icon-theme-$(HICOLOR_ICON_THEME_VERSION).tar.xz
 HICOLOR_ICON_THEME_LICENSE = GPLv2
 HICOLOR_ICON_THEME_LICENSE_FILES = COPYING