libaltos: Add pre-built Windows .dll

This lets us create the windows distribution on Linux.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/ao-tools/libaltos/altos.dll b/ao-tools/libaltos/altos.dll
new file mode 100755 (executable)
index 0000000..f40181e
Binary files /dev/null and b/ao-tools/libaltos/altos.dll differ