chainlint: fix for core.autocrlf=true

The `chainlint` target compares actual output to expected output, where
the actual output is generated from files that are specifically checked
out with LF-only line endings. So the expected output needs to be
checked out with LF-only line endings, too.

Signed-off-by: Johannes Schindelin <[email protected]>
Acked-by: Eric Sunshine <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: dscho

t/.gitattributes

@@ -1,4 +1,5 @@
 t[0-9][0-9][0-9][0-9]/* -whitespace
+/chainlint/*.expect eol=lf
 /diff-lib/* eol=lf
 /t0110/url-* binary
 /t3900/*.txt eol=lf