added one comment and resolved build error

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@5166 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

src/plugins/grass/qgsgrassedit.h

@@ -418,6 +418,8 @@ public slots:
     QgsVertexMarker *mRubberBandIcon;
     QgsGrassEditLayer* mCanvasEdit;
 
+    // edit tools are friend classes so they can
+    // access proteced/private members of QgsGrassEdit
     friend class QgsGrassEditTool;
     friend class QgsGrassEditNewPoint;
     friend class QgsGrassEditNewLine;

src/plugins/grass/qgsgrassedittools.cpp

@@ -16,6 +16,7 @@
 
 #include "qgsgrassedittools.h"
 #include "qgsgrassedit.h"
+#include "qgsgrassattributes.h"
 #include "../../src/providers/grass/qgsgrassprovider.h"
 #include "qgsvertexmarker.h"