[vala-extra-vapis/wip/albfan/libssh2] Credit authors of vapi file

[Alberto Fanjul <albfan src gnome org>]

commit 93f3e8e05ebfbfaf5f9b21a0c7fb41e7035fddaf
Author: Alberto Fanjul <albertofanjul gmail com>
Date:   Mon Oct 21 15:06:16 2019 +0200

    Credit authors of vapi file

 libssh2.vapi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
---
diff --git a/libssh2.vapi b/libssh2.vapi
index e54eb4a..630154c 100644
--- a/libssh2.vapi
+++ b/libssh2.vapi
@@ -1,3 +1,29 @@
+/* libssh2 Vala Bindings
+ * Copyright 2019 Alberto Fanjul <albfan gnome org>
+ * Copyright 2019 Rico Tzschichholz <ricotz ubuntu com>
+ * Copyright 2012 Andre Masella <andre masella name>
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
 [CCode (cheader_filename = "libssh2.h")]
 namespace SSH2 {
        namespace Version {