[sysprof/wip/gtk4-port] memprofpage: require EggThreeGrid

[Christian Hergert <chergert src gnome org>]

commit 8d03f3130e12dc9d8630cf0c5143f3877deb73e0
Author: Christian Hergert <chergert redhat com>
Date:   Fri Oct 1 13:38:04 2021 -0700

    memprofpage: require EggThreeGrid

 src/libsysprof-ui/sysprof-memprof-page.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/libsysprof-ui/sysprof-memprof-page.c b/src/libsysprof-ui/sysprof-memprof-page.c
index 3d96fae9..b7958bd7 100644
--- a/src/libsysprof-ui/sysprof-memprof-page.c
+++ b/src/libsysprof-ui/sysprof-memprof-page.c
@@ -43,6 +43,8 @@
 
 #include "../stackstash.h"
 
+#include "egg-three-grid.h"
+
 #include "sysprof-cell-renderer-percent.h"
 #include "sysprof-memprof-page.h"
 #include "sysprof-profile.h"
@@ -1159,6 +1161,7 @@ sysprof_memprof_page_class_init (SysprofMemprofPageClass *klass)
   gtk_widget_class_add_binding_action (widget_class, GDK_KEY_c, GDK_CONTROL_MASK, "page.copy", NULL);
   gtk_widget_class_add_binding_signal (widget_class, GDK_KEY_Left, GDK_ALT_MASK, "go-previous", NULL);
 
+  g_type_ensure (EGG_TYPE_THREE_GRID);
   g_type_ensure (SYSPROF_TYPE_CELL_RENDERER_PERCENT);
 }