Fix registration of gnc-plugin-page-sx-list so plugin-page restoration works.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@15521 57a11ea4-9604-0410-9ed3-97b8803252fd

src/doc/sx.rst

@@ -75,7 +75,7 @@ TODO
 
 - sx list page
 ! - [ ] use gnc-tree-view
-! - [ ] save/restore state
+! - [x] save/restore state
   - [/] make into split panel
     - [ ] fix slider position
   - [ ] {0, 1, 2, 4, 8, 12} month selection for dense calendar

src/gnome/gnc-plugin-basic-commands.c

@@ -53,7 +53,6 @@
 #include "gnc-ui.h"
 #include "gnc-window.h"
 #include "gnc-session.h"
-
 #include "gnc-plugin-page-sx-list.h"
 
 /* This static indicates the debugging module that this .o belongs to.  */
@@ -222,6 +221,10 @@ gnc_plugin_basic_commands_new (void)
 {
   GncPluginBasicCommands *plugin;
 
+  /* We just need to mention it, so the GType is registered and will be
+   * reflected during plugin-page restore. */
+  GNC_TYPE_PLUGIN_PAGE_SX_LIST;
+
   plugin = g_object_new (GNC_TYPE_PLUGIN_BASIC_COMMANDS, NULL);
 
   return GNC_PLUGIN (plugin);