gtk3: added post-install script to compile needed glib schemas

gtk3/Pkgfile

@@ -5,7 +5,7 @@
 
 name=gtk3
 version=3.4.4
-release=1
+release=2
 source=(http://download.gnome.org/sources/gtk+/3.4/gtk+-$version.tar.xz)
 
 build () {

gtk3/README

@@ -1,8 +0,0 @@
-POST-INSTALL
-
-If you come across crashes such as:
-
-(transmission-gtk:19791): GLib-GIO-ERROR **: No GSettings schemas are installed on the system
-
-This can be resolved by generating a glib-schema with the command :
-$ glib-compile-schemas /usr/share/glib-2.0/schemas/

gtk3/post-install

@@ -0,0 +1,4 @@
+#!/bin/sh
+# compile needed glib schemas
+glib-compile-schemas /usr/share/glib-2.0/schemas
+