qt4: changed to export QTDIR

qt/qt4/qt4.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../qt4/qt4.conf
-# Copyright (C) 2006 - 2010 The OpenSDE Project
+# Copyright (C) 2006 - 2011 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2004 Clifford Wolf
 #
@@ -50,9 +50,10 @@ pkg_qt4_preconf() {
 # exporting the proper environment variables in profile.d
 pkg_qt4_profiled() {
 	cat > $root/etc/profile.d/qt4 <<-EOT
+QTDIR=/$prefix
 QT4DIR=/$prefix
 QT41DIR=/$prefix
-export QT4DIR QT41DIR
+export QTDIR QT4DIR QT41DIR
 EOT
 }