Commit: patch 9.2.0859: GTK2: Link error

[Christian Brabandt]

patch 9.2.0859: GTK2: Link error

Commit: https://github.com/vim/vim/commit/69db19ff65f2e1646cd34758ad42d68d2369057e
Author: Olaf Seibert <rhi...@falu.nl>
Date: Mon Jul 27 17:53:33 2026 +0000

patch 9.2.0859: GTK2: Link error

Problem: GTK2: Link error (after v9.2.0853)
Solution: Adjust ifdef and include only when using at least GTK 3.10
(Olaf Seibert)

Error message:
ld: objects/gui_gtk_x11.o: in function `gui_mch_init':
gui_gtk_x11.c:(.text+0x33f1): undefined reference to `gtk_widget_get_scale_factor'
link.sh: Linking failed
*** Error code 1

closes: #20857

Signed-off-by: Olaf Seibert <rhi...@falu.nl>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 1291919b2..0647d9b16 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -4299,7 +4299,7 @@ gui_mch_init(void)
G_CALLBACK(gtk_settings_xft_dpi_changed_cb), NULL);
}

-#ifdef FEAT_IMAGE
+#if defined(FEAT_IMAGE) && GTK_CHECK_VERSION(3,10,0)
gui.scale = gtk_widget_get_scale_factor(gui.formwin);
#endif

diff --git a/src/version.c b/src/version.c
index 8dcb28fb0..01b586beb 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 859,
/**/
858,
/**/