[gnome-builder] xml-utils:Fix issue with find opening, closing tag and unbalanced elements

[Christian Hergert <chergert src gnome org>]

commit 4763bb5ee32c38893d96c998bb56f074e2d4be7e
Author: Dimitris Zenios <dimitris zenios gmail com>
Date:   Tue May 12 02:17:03 2015 +0300

    xml-utils:Fix issue with find opening, closing tag and unbalanced elements

 libide/util/ide-xml.c |   26 ++++++++++++++++++++++----
 1 files changed, 22 insertions(+), 4 deletions(-)
---
diff --git a/libide/util/ide-xml.c b/libide/util/ide-xml.c
index 8d60f7c..16ff31d 100644
--- a/libide/util/ide-xml.c
+++ b/libide/util/ide-xml.c
@@ -249,13 +249,22 @@ ide_xml_find_closing_element (const GtkTextIter *start,
           if (element_name != NULL)
             {
               if(g_strcmp0 (g_queue_peek_head (element_queue), element_name) == 0)
-                 g_free (g_queue_pop_head (element_queue));
-              g_free (element_name);
+                {
+                  g_free (g_queue_pop_head (element_queue));
+                  g_free (element_name);
+                }
+              /*Unbalanced element.Stop parsing*/
+              else
+                {
+                  g_free (element_name);
+                  goto completed;
+                }
             }
         }
       end = found_element_end;
     }
 
+completed:
   element_queue_length = g_queue_get_length (element_queue);
   g_queue_free_full (element_queue, g_free);
 
@@ -303,13 +312,22 @@ ide_xml_find_opening_element (const GtkTextIter *start,
           if (element_name != NULL)
             {
               if(g_strcmp0 (g_queue_peek_head(element_queue), element_name) == 0)
-                g_free (g_queue_pop_head (element_queue));
-              g_free (element_name);
+                {
+                  g_free (g_queue_pop_head (element_queue));
+                  g_free (element_name);
+                }
+              /*Unbalanced element.Stop parsing*/
+              else
+                {
+                  g_free (element_name);
+                  goto completed;
+                }
             }
         }
       start = found_element_start;
     }
 
+completed:
   element_queue_length = g_queue_get_length (element_queue);
   g_queue_free_full (element_queue, g_free);