Merge branch 'dk/t4002-syntaxo-fix'

Test fix.

* dk/t4002-syntaxo-fix:
  t4002: fix "diff can read from stdin" syntax

t/t4002-diff-basic.sh

@@ -403,7 +403,7 @@ test_expect_success 'diff-tree -r B A == diff-tree -r -R A B' '
 	git diff-tree -r -R $tree_A $tree_B >.test-b &&
 	cmp -s .test-a .test-b'
 
-test_expect_success'diff can read from stdin' '
+test_expect_success 'diff can read from stdin' '
 	test_must_fail git diff --no-index -- MN - < NN |
 		grep -v "^index" | sed "s#/-#/NN#" >.test-a &&
 	test_must_fail git diff --no-index -- MN NN |