[gnome-builder/wip/chergert/gutter] check set field

[Christian Hergert <chergert src gnome org>]

commit dc29e9a23ad201ee820e1d05bb5d6038bad805f9
Author: Christian Hergert <chergert redhat com>
Date:   Sun Sep 17 20:03:43 2017 -0700

    check set field

 libide/sourceview/ide-omni-gutter-renderer.c |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/libide/sourceview/ide-omni-gutter-renderer.c b/libide/sourceview/ide-omni-gutter-renderer.c
index 6de1a69..01f93f0 100644
--- a/libide/sourceview/ide-omni-gutter-renderer.c
+++ b/libide/sourceview/ide-omni-gutter-renderer.c
@@ -126,8 +126,15 @@ get_style_boolean (GtkSourceStyleScheme *scheme,
 
   if (style != NULL)
     {
-      g_object_get (style, property, val, NULL);
-      return TRUE;
+      g_autofree gchar *property_set = g_strdup_printf ("%s-set", property);
+      gboolean set = FALSE;
+
+      g_object_get (style,
+                    property, val,
+                    property_set, &set,
+                    NULL);
+
+      return set;
     }
 
   return FALSE;