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

[Christian Hergert <chergert src gnome org>]

commit 005eeb4dee4c13d4594cd189954370b20cae2095
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 17 16:50:41 2020 -0700

    contextengine: fix whitespace

 gtksourceview/gtksourcecontextengine.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtksourceview/gtksourcecontextengine.c b/gtksourceview/gtksourcecontextengine.c
index b086e484..364270a9 100644
--- a/gtksourceview/gtksourcecontextengine.c
+++ b/gtksourceview/gtksourcecontextengine.c
@@ -414,7 +414,7 @@ struct _GtkSourceContextData
 
 struct _GtkSourceContextEngine
 {
-  GObject parent_instance;
+       GObject parent_instance;
 
        GtkSourceContextData *ctx_data;