[ghex] hexwidget: Fix dumb regression in adjustment callback

[Logan Rathbone <larathbone src gnome org>]

commit 895929a61c5874d8c6c22f246e18ceb92f7826f8
Author: Logan Rathbone <poprocks gmail com>
Date:   Mon May 2 22:23:15 2022 -0400

    hexwidget: Fix dumb regression in adjustment callback

 src/gtkhex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gtkhex.c b/src/gtkhex.c
index 85eb3ad..f1ebe78 100644
--- a/src/gtkhex.c
+++ b/src/gtkhex.c
@@ -1224,7 +1224,7 @@ adj_value_changed_cb (GtkAdjustment *adj, HexWidget *self)
 {
        int dx, dy;
        
-       if (! gtk_widget_is_drawable (self->xdisp) ||
+       if (! gtk_widget_is_drawable (self->xdisp) &&
                        ! gtk_widget_is_drawable (self->adisp))
                return;