Squashed 'OpenVPN Adapter/Vendors/openvpn/' content from commit da99df6

git-subtree-dir: OpenVPN Adapter/Vendors/openvpn
git-subtree-split: da99df69492256d7a18bbea303ae98457782a4bf

deps/asio/build-asio

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -e
+if [ -z "$O3" ]; then
+    echo O3 var must point to ovpn3 tree
+    exit 1
+fi
+
+[ -z "$DL" ] && DL=~/Downloads
+
+. $O3/core/deps/lib-versions
+
+rm -rf asio*
+tar xf $DL/$ASIO_VERSION.tar.gz
+cp -a $ASIO_VERSION asio