libgtk3: bump to version 3.22.6

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
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+-3.22.5.sha256sum
-sha256 693fa0ac643c59ccd51db99cabe476b4e0a41fd4f0c3c8b3e3ef38f94b2e7334  gtk+-3.22.5.tar.xz
+# From http://ftp.gnome.org/pub/gnome/sources/gtk+/3.22/gtk+-3.22.6.sha256sum
+sha256 eba75a216a117f4391beb2971ba20ff8a1823f109893f0ab6c2eac2210ea172f  gtk+-3.22.6.tar.xz

package/libgtk3/libgtk3.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 LIBGTK3_VERSION_MAJOR = 3.22
-LIBGTK3_VERSION = $(LIBGTK3_VERSION_MAJOR).5
+LIBGTK3_VERSION = $(LIBGTK3_VERSION_MAJOR).6
 LIBGTK3_SOURCE = gtk+-$(LIBGTK3_VERSION).tar.xz
 LIBGTK3_SITE = http://ftp.gnome.org/pub/gnome/sources/gtk+/$(LIBGTK3_VERSION_MAJOR)
 LIBGTK3_LICENSE = LGPLv2+