MGR: Erase and refresh entire Tasks panel when changing selections to try to fix another instance of cosmetic bug reported by David on Windows

svn path=/trunk/boinc/; revision=16585

checkin_notes

@@ -9694,3 +9694,10 @@ Rom    27 Nov 2008
     clientgui/
         BOINCGUIApp.cpp
         DlgExitMessage.cpp
+
+Charlie 28 Nov 2008
+    - MGR: Erase and refresh entire Tasks panel when changing selections to try 
+        to fix another instance of cosmetic bug reported by David on Windows.
+
+    clientgui/
+        BOINCBaseView.cpp

clientgui/BOINCBaseView.cpp

@@ -708,6 +708,7 @@ void CBOINCBaseView::PostUpdateSelection(){
     wxASSERT(m_pTaskPane);
     m_pTaskPane->UpdateControls();
     Layout();
+    RefreshTaskPane();
 }