[aravis] doc: more warning fixes.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 8a2d9856922e7b236af0d34ed2b08433c7d72b37
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Thu May 2 20:04:56 2013 +0200

    doc: more warning fixes.

 src/arvdevice.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/src/arvdevice.c b/src/arvdevice.c
index 23a8ebf..9253d46 100644
--- a/src/arvdevice.c
+++ b/src/arvdevice.c
@@ -88,6 +88,8 @@ arv_device_create_stream (ArvDevice *device, ArvStreamCallback callback, void *u
  * Reads @size bytes from the device memory.
  *
  * Return value: (skip): TRUE on success.
+ *
+ * Since: 0.2.0
  **/
 
 gboolean
@@ -112,6 +114,8 @@ arv_device_read_memory (ArvDevice *device, guint32 address, guint32 size, void *
  * Writes @size bytes to the device memory.
  *
  * Return value: (skip): TRUE on success.
+ *
+ * Since: 0.2.0
  **/
 
 gboolean
@@ -135,6 +139,8 @@ arv_device_write_memory (ArvDevice *device, guint32 address, guint32 size, void
  * Reads the value of a device register.
  *
  * Return value: (skip): TRUE on success.
+ *
+ * Since: 0.2.0
  **/
 
 gboolean
@@ -152,10 +158,13 @@ arv_device_read_register (ArvDevice *device, guint32 address, guint32 *value, GE
  * @device: a #ArvDevice
  * @address: the register address
  * @value: value to write
+ * @error: (out) (allow-none): a #GError placeholder
  *
  * Writes @value to a device register.
  *
  * Return value: (skip): TRUE on success.
+ *
+ * Since: 0.2.0
  **/
 
 gboolean
@@ -201,7 +210,7 @@ _get_genicam_xml (ArvDevice *device, size_t *size)
  *
  * Gets the Genicam XML data stored in the device memory.
  *
- * Returns: (transfer none) : a pointer to the Genicam XML data, owned by the device.
+ * Returns: (transfer none) (array length=size): a pointer to the Genicam XML data, owned by the device.
  *
  * Since: 0.2.0
  **/