Improvement: Use anticipate class declaration instead of include header

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3224 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetgraphicsitem/conductor.cpp

@@ -24,6 +24,8 @@
 #include "diagram.h"
 #include "diagramcommands.h"
 #include "conductorautonumerotation.h"
+#include "qetdiagrameditor.h"
+#include "terminal.h"
 #define PR(x) qDebug() << #x " = " << x;
 
 bool Conductor::pen_and_brush_initialized = false;