libgtk3: bump version to 3.22.15

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libgtk3/libgtk3.hash

@@ -1,2 +1,2 @@
-# From http://ftp.gnome.org/pub/gnome/sources/gtk+/3.22/gtk+-3.22.14.sha256sum
-sha256 d6120e4fd64e432b74a61e8abd972b1948cf54e4dc4f0e081c05ab625f087131  gtk+-3.22.14.tar.xz
+# From http://ftp.gnome.org/pub/gnome/sources/gtk+/3.22/gtk+-3.22.15.sha256sum
+sha256 c8a012c2a99132629ab043f764a2b7cb6388483a015cd15c7a4288bec3590fdb  gtk+-3.22.15.tar.xz

package/libgtk3/libgtk3.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 LIBGTK3_VERSION_MAJOR = 3.22
-LIBGTK3_VERSION = $(LIBGTK3_VERSION_MAJOR).14
+LIBGTK3_VERSION = $(LIBGTK3_VERSION_MAJOR).15
 LIBGTK3_SOURCE = gtk+-$(LIBGTK3_VERSION).tar.xz
 LIBGTK3_SITE = http://ftp.gnome.org/pub/gnome/sources/gtk+/$(LIBGTK3_VERSION_MAJOR)
 LIBGTK3_LICENSE = LGPL-2.0+