[gtksourceview] Fixed crasher bug in incorrect inserting new regions

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 3a6c9129839a1266c8a8b6594b287cdf8c555b35
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sun Nov 15 17:36:42 2009 +0100

    Fixed crasher bug in incorrect inserting new regions
    
    This is a follow up on the previous patch. This time, it fixes the part where
    new regions are inserted. Before they were prepended, but this is clearly
    wrong since regions need to be inserted at the right location.

 .../words/gtksourcecompletionwordsbuffer.c         |   11 +++++++++--
 1 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/completion-providers/words/gtksourcecompletionwordsbuffer.c b/gtksourceview/completion-providers/words/gtksourcecompletionwordsbuffer.c
index 307013b..68c9d52 100644
--- a/gtksourceview/completion-providers/words/gtksourcecompletionwordsbuffer.c
+++ b/gtksourceview/completion-providers/words/gtksourcecompletionwordsbuffer.c
@@ -404,6 +404,7 @@ add_scan_region (GtkSourceCompletionWordsBuffer *buffer,
 	GList *item;
 	GList *merge_start = NULL;
 	GList *merge_end = NULL;
+	GList *insert_after = NULL;
 
 	gint line_count = gtk_text_buffer_get_line_count (buffer->priv->buffer);
 	
@@ -421,6 +422,11 @@ add_scan_region (GtkSourceCompletionWordsBuffer *buffer,
 	{
 		ScanRegion *region = (ScanRegion *)item->data;
 		
+		if (region->end < end)
+		{
+			insert_after = item;
+		}
+
 		/* Check if this region is overlapping, or directly adjacent to,
 		   the new region */
 		if (start <= region->end + 1 &&
@@ -449,8 +455,9 @@ add_scan_region (GtkSourceCompletionWordsBuffer *buffer,
 	{
 		/* Simply prepend, there was no overlap */
 		buffer->priv->scan_regions = 
-			g_list_prepend (buffer->priv->scan_regions,
-			                scan_region_new (start, end));
+			g_list_insert_before (buffer->priv->scan_regions,
+			                      g_list_next (insert_after),
+			                      scan_region_new (start, end));
 	}
 	else
 	{