t4038-diff-combined.sh: use the $( ... ) construct for command substitution

diff --git a/t/t4038-diff-combined.sh b/t/t4038-diff-combined.sh
index 1019d7b35fcb350761a44cf4ccd5ae156ce8d577..41913c3aa30de6d55b016fa9331e0877579b2d6b 100755 (executable)
--- a/t/t4038-diff-combined.sh
+++ b/t/t4038-diff-combined.sh
@@ -94,7 +94,7 @@ test_expect_success 'setup for --cc --raw' '
        blob=$(echo file | git hash-object --stdin -w) &&
        base_tree=$(echo "100644 blob $blob     file" | git mktree) &&
        trees= &&
-       for i in `test_seq 1 40`
+       for i in $(test_seq 1 40)
        do
                blob=$(echo file$i | git hash-object --stdin -w) &&
                trees="$trees$(echo "100644 blob $blob  file" | git mktree)$LF"