libnm-core, libnm: introspection annotation fixes

A parenthesized comment in nm-dbus-interface.h was being misparsed as
an annotation.

The annotations on NMDhcp4Config:options and NMDhcp6Config:options
were incorrect.

libnm-core/nm-dbus-interface.h

@@ -571,8 +571,8 @@ typedef enum {
  *   initiated by user-requested action via the D-Bus interface, as opposed to
  *   automatically initiated by NetworkManager in response to (for example) scan
  *   results or carrier changes.
- * @NM_SECRET_AGENT_GET_SECRETS_FLAG_ONLY_SYSTEM: (Internal flag, not part of
- *   the D-Bus API.)
+ * @NM_SECRET_AGENT_GET_SECRETS_FLAG_ONLY_SYSTEM: Internal flag, not part of
+ *   the D-Bus API.
  *
  * #NMSecretAgentGetSecretsFlags values modify the behavior of a GetSecrets request.
  *

libnm/nm-dhcp4-config.c

@@ -137,7 +137,7 @@ nm_dhcp4_config_class_init (NMDhcp4ConfigClass *config_class)
 	 *
 	 * The #GHashTable containing options of the configuration.
 	 *
-	 * Type: GLib.HashTable(utf8,GObject.Value)
+	 * Type: GLib.HashTable(utf8,utf8)
 	 **/
 	g_object_class_install_property
 		(object_class, PROP_OPTIONS,

libnm/nm-dhcp6-config.c

@@ -137,7 +137,7 @@ nm_dhcp6_config_class_init (NMDhcp6ConfigClass *config_class)
 	 *
 	 * The #GHashTable containing options of the configuration.
 	 *
-	 * Type: GLib.HashTable(utf8,GObject.Value)
+	 * Type: GLib.HashTable(utf8,utf8)
 	 **/
 	g_object_class_install_property
 		(object_class, PROP_OPTIONS,