devshell.bbclass: Export needed variables

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@4526 311d38ba-8fff-0310-9ca6-ca027cbcb966

meta/classes/devshell.bbclass

@@ -3,6 +3,9 @@ EXTRA_OEMAKE[export] = "1"
 do_devshell[dirs] = "${S}"
 do_devshell[nostamp] = "1"
 
+export DISPLAY
+export XAUTHORITY
+
 devshell_do_devshell() {
 	export TERMWINDOWTITLE="Bitbake Developer Shell"
 	${TERMCMD}