[gtksourceview/wip/public-region] SearchContext: fix potential memory leak

[Sébastien Wilmet <swilmet src gnome org>]

commit b96a8acdba51951cf5e548e5b3557b697d699aeb
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Apr 2 12:51:33 2016 +0200

    SearchContext: fix potential memory leak

 gtksourceview/gtksourcesearchcontext.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourcesearchcontext.c b/gtksourceview/gtksourcesearchcontext.c
index 9a770e0..7f32b31 100644
--- a/gtksourceview/gtksourcesearchcontext.c
+++ b/gtksourceview/gtksourcesearchcontext.c
@@ -1779,6 +1779,11 @@ regex_search_handle_high_priority_region (GtkSourceSearchContext *search)
                                              &start,
                                              &end);
 
+       if (region == NULL)
+       {
+               return;
+       }
+
        gtk_source_region_get_start_region_iter (region, &region_iter);
 
        while (!gtk_source_region_iter_is_end (&region_iter))
@@ -1790,7 +1795,7 @@ regex_search_handle_high_priority_region (GtkSourceSearchContext *search)
                                                           &subregion_start,
                                                           &subregion_end))
                {
-                       return;
+                       break;
                }
 
                gtk_text_buffer_remove_tag (search->priv->buffer,