[epiphany] web-extension: plug leaked string

[Claudio Saavedra <csaavedra src gnome org>]

commit 372b2bbb0e160997d5e47d062c50d85cac18b878
Author: Claudio Saavedra <csaavedra igalia com>
Date:   Tue Jun 16 13:38:17 2015 +0300

    web-extension: plug leaked string

 embed/web-extension/ephy-web-extension.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/embed/web-extension/ephy-web-extension.c b/embed/web-extension/ephy-web-extension.c
index 11ed2c1..730aa5b 100644
--- a/embed/web-extension/ephy-web-extension.c
+++ b/embed/web-extension/ephy-web-extension.c
@@ -603,7 +603,7 @@ show_user_choices (WebKitDOMDocument *document,
   long x, y;
   long input_width;
   char *style_attribute;
-  const char* username;
+  char* username;
 
   g_object_get (username_node,
                 "value", &username,
@@ -702,6 +702,7 @@ show_user_choices (WebKitDOMDocument *document,
                                       NULL);
   }
 
+  g_free  (username);
   body = WEBKIT_DOM_NODE (webkit_dom_document_get_body (document));
   webkit_dom_node_append_child (WEBKIT_DOM_NODE (body),
                                 WEBKIT_DOM_NODE (main_div),