[gnome-builder/wip/gtk4-port] libide/gui: fix missing declaration

[Christian Hergert <chergert src gnome org>]

commit 03f477ac25f6a504b3ab5af78dc35954a5df3c0e
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jun 7 16:33:51 2022 -0700

    libide/gui: fix missing declaration

 src/libide/gui/ide-page.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/libide/gui/ide-page.c b/src/libide/gui/ide-page.c
index 697931fbb..514374ef2 100644
--- a/src/libide/gui/ide-page.c
+++ b/src/libide/gui/ide-page.c
@@ -29,7 +29,7 @@
 
 #include "ide-application.h"
 #include "ide-gui-global.h"
-#include "ide-page.h"
+#include "ide-page-private.h"
 #include "ide-workspace-private.h"
 
 typedef struct