[gtksourceview/wip/chergert/gsv-gtk4] gutter: fix whitespace

[Christian Hergert <chergert src gnome org>]

commit 52eb89a8f9f7f79194936babafb337a3cc5c3063
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 17 14:03:33 2020 -0700

    gutter: fix whitespace

 gtksourceview/gtksourcegutter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtksourceview/gtksourcegutter.c b/gtksourceview/gtksourcegutter.c
index 2b311a5e..bba7ef83 100644
--- a/gtksourceview/gtksourcegutter.c
+++ b/gtksourceview/gtksourcegutter.c
@@ -67,7 +67,7 @@ typedef struct
 
 struct _GtkSourceGutter
 {
-  GtkContainer          parent_instance;
+       GtkContainer          parent_instance;
 
        GtkSourceView        *view;
        GList                *renderers;