[evolution] EMailFormatterQuoteExtension: Don't be cute with struct declarations.

[Matthew Barnes <mbarnes src gnome org>]

commit a260d79633a368bedeb89f0c6e50f7b634b3b943
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sun Jul 7 09:28:50 2013 -0400

    EMailFormatterQuoteExtension: Don't be cute with struct declarations.
    
    Declare the instance and class structs normally so Gtk-Doc can make
    sense of it.

 em-format/e-mail-formatter-quote.h |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/em-format/e-mail-formatter-quote.h b/em-format/e-mail-formatter-quote.h
index 3dac85f..85e549a 100644
--- a/em-format/e-mail-formatter-quote.h
+++ b/em-format/e-mail-formatter-quote.h
@@ -84,8 +84,16 @@ G_BEGIN_DECLS
  * This is an abstract base type for formatter extensions which are
  * intended only for use by #EMailFormatterQuote.
  **/
-typedef EMailFormatterExtension EMailFormatterQuoteExtension;
-typedef EMailFormatterExtensionClass EMailFormatterQuoteExtensionClass;
+typedef struct _EMailFormatterQuoteExtension EMailFormatterQuoteExtension;
+typedef struct _EMailFormatterQuoteExtensionClass EMailFormatterQuoteExtensionClass;
+
+struct _EMailFormatterQuoteExtension {
+       EMailFormatterExtension parent;
+};
+
+struct _EMailFormatterQuoteExtensionClass {
+       EMailFormatterExtensionClass parent_class;
+};
 
 GType          e_mail_formatter_quote_extension_get_type
                                                (void) G_GNUC_CONST;