[gnome-builder] build: fix includes for libportal-gtk3

[Christian Hergert <chergert src gnome org>]

commit 12102ca678fdf87d992ac578859e544085aaae87
Author: Christian Hergert <chergert redhat com>
Date:   Mon Nov 8 15:57:57 2021 -0800

    build: fix includes for libportal-gtk3

 src/gstyle/gstyle-color-panel.c                          | 2 +-
 src/plugins/devhelp/gbp-devhelp-page.c                   | 2 +-
 src/plugins/open-with-external/gbp-owe-workbench-addin.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/gstyle/gstyle-color-panel.c b/src/gstyle/gstyle-color-panel.c
index 15742a7be..a6295c168 100644
--- a/src/gstyle/gstyle-color-panel.c
+++ b/src/gstyle/gstyle-color-panel.c
@@ -30,7 +30,7 @@
 #include "gstyle-color.h"
 
 #include <libportal/portal.h>
-#include <libportal/portal-gtk3.h>
+#include <libportal-gtk3/portal-gtk3.h>
 
 #define HSV_TO_SCALE_FACTOR (1.0 / 256.0)
 #define CIELAB_L_TO_SCALE_FACTOR (100.0 / 256.0)
diff --git a/src/plugins/devhelp/gbp-devhelp-page.c b/src/plugins/devhelp/gbp-devhelp-page.c
index 5d5c52b0d..2ac788414 100644
--- a/src/plugins/devhelp/gbp-devhelp-page.c
+++ b/src/plugins/devhelp/gbp-devhelp-page.c
@@ -25,7 +25,7 @@
 #include <webkit2/webkit2.h>
 
 #include <libportal/portal.h>
-#include <libportal/portal-gtk3.h>
+#include <libportal-gtk3/portal-gtk3.h>
 
 #include "gbp-devhelp-page.h"
 #include "gbp-devhelp-search.h"
diff --git a/src/plugins/open-with-external/gbp-owe-workbench-addin.c 
b/src/plugins/open-with-external/gbp-owe-workbench-addin.c
index 51d2da844..816fe643f 100644
--- a/src/plugins/open-with-external/gbp-owe-workbench-addin.c
+++ b/src/plugins/open-with-external/gbp-owe-workbench-addin.c
@@ -23,7 +23,7 @@
 #include "gbp-owe-workbench-addin.h"
 
 #include <libportal/portal.h>
-#include <libportal/portal-gtk3.h>
+#include <libportal-gtk3/portal-gtk3.h>
 
 struct _GbpOweWorkbenchAddin
 {