libgtk2: bump to version 2.24.28

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libgtk2/libgtk2.hash

@@ -1,2 +1,2 @@
-# From http://ftp.gnome.org/pub/gnome/sources/gtk+/2.24/gtk+-2.24.27.sha256sum
-sha256	20cb10cae43999732a9af2e9aac4d1adebf2a9c2e1ba147050976abca5cd24f4	gtk+-2.24.27.tar.xz
+# From http://ftp.gnome.org/pub/gnome/sources/gtk+/2.24/gtk+-2.24.28.sha256sum
+sha256	b2c6441e98bc5232e5f9bba6965075dcf580a8726398f7374d39f90b88ed4656	gtk+-2.24.28.tar.xz

package/libgtk2/libgtk2.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 LIBGTK2_VERSION_MAJOR = 2.24
-LIBGTK2_VERSION = $(LIBGTK2_VERSION_MAJOR).27
+LIBGTK2_VERSION = $(LIBGTK2_VERSION_MAJOR).28
 LIBGTK2_SOURCE = gtk+-$(LIBGTK2_VERSION).tar.xz
 LIBGTK2_SITE = http://ftp.gnome.org/pub/gnome/sources/gtk+/$(LIBGTK2_VERSION_MAJOR)
 LIBGTK2_INSTALL_STAGING = YES