- Fixed a crash caused by clicking cancel on a directory page (thanks pengyou)

- Fixed some extraction progress issues


git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2900 212acab6-be3b-0410-9dea-997c60f758d6

Source/exehead/Ui.c

@@ -396,7 +396,6 @@ nextPage:
 
     m_page+=m_delta;
     this_page+=m_delta;
-    g_this_page=this_page;
 
 #ifdef NSIS_SUPPORT_CODECALLBACKS
     if (m_page==g_blocks[NB_PAGES].num) ExecuteCodeSegment(g_header->code_onInstSuccess,NULL);
@@ -452,6 +451,9 @@ nextPage:
         return 0;
       }
 
+      // update g_this_page for the dialog proc
+      g_this_page=this_page;
+
       if (this_page->dlg_id > 0) // NSIS page
       {
         m_curwnd=CreateDialogParam(