diff -up evolution-data-server-3.7.90/addressbook/libebook/e-book-types.h.decls evolution-data-server-3.7.90/addressbook/libebook/e-book-types.h
--- evolution-data-server-3.7.90/addressbook/libebook/e-book-types.h.decls	2013-02-21 10:46:34.750149942 +0100
+++ evolution-data-server-3.7.90/addressbook/libebook/e-book-types.h	2013-02-21 10:47:00.399424482 +0100
@@ -56,5 +56,6 @@ typedef enum {
 #define E_BOOK_ERROR_CORBA_EXCEPTION E_BOOK_ERROR_DBUS_EXCEPTION
 #endif
 
+G_END_DECLS
 
 #endif /* __E_BOOK_TYPES_H__ */
diff -up evolution-data-server-3.7.90/camel/camel-db.h.decls evolution-data-server-3.7.90/camel/camel-db.h
--- evolution-data-server-3.7.90/camel/camel-db.h.decls	2013-02-21 10:44:29.371807602 +0100
+++ evolution-data-server-3.7.90/camel/camel-db.h	2013-02-21 10:44:41.492935929 +0100
@@ -10,6 +10,8 @@
 #include <sqlite3.h>
 #include <glib.h>
 
+G_BEGIN_DECLS
+
 /**
  * CAMEL_DB_FILE:
  *
@@ -320,4 +322,6 @@ gint camel_db_write_preview_record (Came
 gint
 camel_db_reset_folder_version (CamelDB *cdb, const gchar *folder_name, gint reset_version, GError **error);
 
+G_END_DECLS
+
 #endif
diff -up evolution-data-server-3.7.90/camel/camel-imapx-conn-manager.h.decls evolution-data-server-3.7.90/camel/camel-imapx-conn-manager.h
--- evolution-data-server-3.7.90/camel/camel-imapx-conn-manager.h.decls	2013-02-21 10:44:16.892675726 +0100
+++ evolution-data-server-3.7.90/camel/camel-imapx-conn-manager.h	2013-02-21 10:44:41.493935909 +0100
@@ -28,6 +28,8 @@
 
 #include "camel-imapx-server.h"
 
+G_BEGIN_DECLS
+
 /* Standard GObject macros */
 #define CAMEL_TYPE_IMAPX_CONN_MANAGER \
 	(camel_imapx_conn_manager_get_type ())
@@ -80,4 +82,6 @@ void		camel_imapx_conn_manager_update_co
 						 CamelIMAPXServer *server,
 						 const gchar *folder_name);
 
+G_END_DECLS
+
 #endif /* _CAMEL_IMAPX_SERVER_H */
diff -up evolution-data-server-3.7.90/camel/camel-imapx-search.h.decls evolution-data-server-3.7.90/camel/camel-imapx-search.h
--- evolution-data-server-3.7.90/camel/camel-imapx-search.h.decls	2013-02-21 10:46:52.966345012 +0100
+++ evolution-data-server-3.7.90/camel/camel-imapx-search.h	2013-02-21 10:47:24.063681666 +0100
@@ -76,5 +76,7 @@ CamelIMAPXServer *
 void		camel_imapx_search_set_server	(CamelIMAPXSearch *search,
 						 CamelIMAPXServer *server);
 
+G_END_DECLS
+
 #endif /* CAMEL_IMAPX_SEARCH_H */
 
diff -up evolution-data-server-3.7.90/camel/camel-imapx-utils.h.decls evolution-data-server-3.7.90/camel/camel-imapx-utils.h
--- evolution-data-server-3.7.90/camel/camel-imapx-utils.h.decls	2013-02-21 10:44:04.866548837 +0100
+++ evolution-data-server-3.7.90/camel/camel-imapx-utils.h	2013-02-21 10:44:41.493935909 +0100
@@ -26,6 +26,8 @@
 
 #include <camel/camel-store.h>
 
+G_BEGIN_DECLS
+
 struct _CamelIMAPXStream;
 struct _CamelFlag;
 struct _CamelIMAPXNamespaceList;
@@ -398,5 +400,7 @@ struct _CamelIMAPXNamespaceList *
 struct _CamelIMAPXNamespaceList *
 		camel_imapx_namespace_list_copy	(const struct _CamelIMAPXNamespaceList *nsl);
 
+G_END_DECLS
+
 #endif /* CAMEL_IMAPX_UTILS_H */