2007-09-17  Juerg Billeter  <j@bitron.ch>

	* vala/valablock.vala, vala/valacodevisitor.vala,
	  vala/valaforeachstatement.vala, vala/valamemorymanager.vala,
	  vala/valasemanticanalyzer.vala, vala/valaswitchsection.vala,
	  vala/valasymbolresolver.vala, gobject/valacodegenerator.vala: switch
	  block to external visitor

svn path=/trunk/; revision=612