Further optimizations

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@53336 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/richtext/richtextctrl.cpp

@@ -1126,7 +1126,9 @@ bool wxRichTextCtrl::ScrollIntoView(long position, int keyCode)
             }
         }
     }
-    PositionCaret();
+
+    if (scrolled)
+        PositionCaret();
 
     return scrolled;
 }