Fix crash on first load with mouse wheel: this was because the scrollbar was not updated. The solution is just to force a redraw in LyXView::loadLyXFile().

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19714 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/LyXView.cpp

@@ -164,6 +164,8 @@ Buffer * LyXView::loadLyXFile(FileName const & filename, bool tolastfiles)
 		}
 	}
 
+	wa->redraw();
+
 	busy(false);
 	return newBuffer;
 }