Add .gitattributes to ensure test data is binary.

This is important to ensure that git doesn't apply "\n" -> "\r\n" text
conversions on checkout for Windows platforms. Changing the data files like
this breaks the tests that use them.

1 files changed, 6 insertions, 0 deletions

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..82f5712
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,6 @@
+# Data files used for tests.
+*.data binary
+*.in binary
+*.sig binary
+*.delta binary
+*.expect binary