[gnumeric] Docs: introspection fixes.

[Morten Welinder <mortenw src gnome org>]

commit cbda44afb10c4ddb48d486650a7eeddb31a6810f
Author: Morten Welinder <terra gnome org>
Date:   Wed May 4 07:32:30 2016 -0400

    Docs: introspection fixes.

 src/gui-util.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/src/gui-util.c b/src/gui-util.c
index d3fffbc..6821b6c 100644
--- a/src/gui-util.c
+++ b/src/gui-util.c
@@ -1478,6 +1478,13 @@ create_context_for_path (GtkWidgetPath   *path,
 }
 #endif
 
+/**
+ * gnm_style_context_from_selector:
+ * @parent: (allow-none): style context for container
+ * @selector: a css selector
+ *
+ * Returns: (transfer full): a new style context.
+ */
 GtkStyleContext *
 gnm_style_context_from_selector (GtkStyleContext *parent,
                                 const char      *selector)