[vala] glib-2.0: unowned array-elements are supported since 0.26, so use it

[Rico Tzschichholz <ricotz src gnome org>]

commit 9f86edc7be0f28f875b1c42637cd214232926eeb
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Dec 1 14:51:32 2014 +0100

    glib-2.0: unowned array-elements are supported since 0.26, so use it

 vapi/glib-2.0.vapi |   21 ++++++++++++++++-----
 1 files changed, 16 insertions(+), 5 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 01d3c71..fd8ef2f 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -4180,6 +4180,9 @@ namespace GLib {
                [CCode (cname = "g_hash_table_insert")]
                public void @set (owned K key, owned V value);
                public List<unowned K> get_keys ();
+#if VALA_0_26
+               public (unowned K)[] get_keys_as_array ();
+#endif
                public List<unowned V> get_values ();
                public void @foreach (HFunc<K,V> func);
                [CCode (cname = "g_hash_table_foreach")]
@@ -4904,27 +4907,35 @@ namespace GLib {
 
                public Variant.strv (string[] value);
                [CCode (array_length_type = "size_t")]
+#if VALA_0_26
+               public (unowned string)[] get_strv ();
+#else
                public string*[] get_strv ();
+#endif
                [CCode (array_length_type = "size_t")]
                public string[] dup_strv ();
 
                public Variant.bytestring_array (string[] value);
                [CCode (array_length_type = "size_t")]
+#if VALA_0_26
+               public (unowned string)[] get_bytestring_array ();
+#else
                public string*[] get_bytestring_array ();
+#endif
                [CCode (array_length_type = "size_t")]
                public string[] dup_bytestring_array ();
 
-               #if GLIB_2_30
+#if GLIB_2_30
                public Variant.objv (string[] value);
                [CCode (array_length_type = "size_t")]
-               #if VALA_0_26
+#if VALA_0_26
                public (unowned string)[] get_objv ();
-               #else
+#else
                public string*[] get_objv ();
-               #endif
+#endif
                [CCode (array_length_type = "size_t")]
                public string[] dup_objv ();
-               #endif
+#endif
 
                public Variant (string format, ...);
                // note: the function changes its behaviour when end_ptr is null, so 'out char *' is wrong