add a .gitattributes file, configuring the Mac and Windows binary library

files with the export-ignore attribute, in hopes that this will prevent
them showing up in source packages

diff --git a/.gitattributes b/.gitattributes
new file mode 100644 (file)
index 0000000..f929a86
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+ao-tools/libaltos/altos.dll            export-ignore
+ao-tools/libaltos/libaltos.dylib       export-ignore