[gssdp] Fix gtk-doc warnings

[Jens Georg <jensgeorg src gnome org>]

commit 02f6ebdb903f5c24b851a79fc22d77f24afd3c90
Author: Jens Georg <jensg openismus com>
Date:   Thu May 30 16:15:44 2013 +0200

    Fix gtk-doc warnings

 doc/gssdp-sections.txt |    3 +++
 libgssdp/gssdp-error.h |    6 ++++++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/doc/gssdp-sections.txt b/doc/gssdp-sections.txt
index 4f4361f..067b7c7 100644
--- a/doc/gssdp-sections.txt
+++ b/doc/gssdp-sections.txt
@@ -16,6 +16,7 @@ GSSDP_CLIENT
 GSSDP_IS_CLIENT
 GSSDP_TYPE_CLIENT
 gssdp_client_get_type
+GSSDPClientClass
 GSSDP_CLIENT_CLASS
 GSSDP_IS_CLIENT_CLASS
 GSSDP_CLIENT_GET_CLASS
@@ -43,6 +44,7 @@ GSSDP_RESOURCE_GROUP
 GSSDP_IS_RESOURCE_GROUP
 GSSDP_TYPE_RESOURCE_GROUP
 gssdp_resource_group_get_type
+GSSDPResourceGroupClass
 GSSDP_RESOURCE_GROUP_CLASS
 GSSDP_IS_RESOURCE_GROUP_CLASS
 GSSDP_RESOURCE_GROUP_GET_CLASS
@@ -70,6 +72,7 @@ GSSDP_IS_RESOURCE_BROWSER
 GSSDP_TYPE_RESOURCE_BROWSER
 gssdp_resource_browser_get_type
 GSSDP_RESOURCE_BROWSER_CLASS
+GSSDPResourceBrowserClass
 GSSDP_IS_RESOURCE_BROWSER_CLASS
 GSSDP_RESOURCE_BROWSER_GET_CLASS
 <SUBSECTION Private>
diff --git a/libgssdp/gssdp-error.h b/libgssdp/gssdp-error.h
index ce2e949..b860ba4 100644
--- a/libgssdp/gssdp-error.h
+++ b/libgssdp/gssdp-error.h
@@ -31,6 +31,12 @@ gssdp_error_quark (void) G_GNUC_CONST;
 
 #define GSSDP_ERROR (gssdp_error_quark ())
 
+/**
+ * GSSDPError:
+ * @GSSDP_ERROR_NO_IP_ADDRESS: GSSDP could not find a valid IP address of a
+ * #GSSDPClient.
+ * @GSSDP_ERROR_FAILED: Unknown error.
+ */
 typedef enum {
         GSSDP_ERROR_NO_IP_ADDRESS,
         GSSDP_ERROR_FAILED