t/t7811-grep-open.sh: ensure fake "less" is made executable

diff --git a/t/t7811-grep-open.sh b/t/t7811-grep-open.sh
index 8db4fc8b10893b95b4fd8c44de4bbf78d639d6d9..2e5c701566e007905825e79e55a03696895815e8 100755 (executable)
--- a/t/t7811-grep-open.sh
+++ b/t/t7811-grep-open.sh
@@ -84,10 +84,11 @@ test_expect_success 'git grep -O --no-index' '
 '
 
 test_expect_success 'setup: fake "less"' '
-       cat >less <<-\EOF
+       cat >less <<-\EOF &&
        #!/bin/sh
        printf "%s\n" "$@" >actual
        EOF
+       chmod +x less
 '
 
 test_expect_success 'git grep -O jumps to line in less' '