libgtk2: bump version to 2.24.31

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

package/libgtk2/libgtk2.hash

@@ -1,2 +1,2 @@
-# From http://ftp.gnome.org/pub/gnome/sources/gtk+/2.24/gtk+-2.24.30.sha256sum
-sha256	0d15cec3b6d55c60eac205b1f3ba81a1ed4eadd9d0f8e7c508bc7065d0c4ca50	gtk+-2.24.30.tar.xz
+# From http://ftp.gnome.org/pub/gnome/sources/gtk+/2.24/gtk+-2.24.31.sha256sum
+sha256 68c1922732c7efc08df4656a5366dcc3afdc8791513400dac276009b40954658  gtk+-2.24.31.tar.xz

package/libgtk2/libgtk2.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 LIBGTK2_VERSION_MAJOR = 2.24
-LIBGTK2_VERSION = $(LIBGTK2_VERSION_MAJOR).30
+LIBGTK2_VERSION = $(LIBGTK2_VERSION_MAJOR).31
 LIBGTK2_SOURCE = gtk+-$(LIBGTK2_VERSION).tar.xz
 LIBGTK2_SITE = http://ftp.gnome.org/pub/gnome/sources/gtk+/$(LIBGTK2_VERSION_MAJOR)
 LIBGTK2_INSTALL_STAGING = YES