Cleanroom libnl_2 library

By overriding the netlink cache pointer, able to pass nl80211 family id.
Scan and connecting open access point work
Added legal stuff to headers

Change-Id: I1c60452f35fdd1f80edebc03fef33067722d0543
diff --git a/libnl_2/object.c b/libnl_2/object.c
new file mode 100644
index 0000000..c53accf
--- /dev/null
+++ b/libnl_2/object.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* NOTICE: This is a clean room re-implementation of libnl */
+
+#include "netlink-types.h"
+
+void nl_object_put(struct nl_object *obj)
+{
+	obj->ce_refcnt--;
+	if (!obj->ce_refcnt)
+		nl_object_free(obj);
+}
+
+void nl_object_free(struct nl_object *obj)
+{
+	nl_cache_remove(obj);
+}
+
+