t/t3403-rebase-skip.sh: use the $( ... ) construct for command substitution

diff --git a/t/lib-read-tree.sh b/t/lib-read-tree.sh
index ef079afc4638a4f02fa0c12f1d54ad622047ed56..b95f4856061da723cbe36bd6955c552bee7a29aa 100644 (file)
--- a/t/lib-read-tree.sh
+++ b/t/lib-read-tree.sh
@@ -1,5 +1,3 @@
-#!/bin/sh
-#
 # Helper functions to check if read-tree would succeed/fail as expected with
 # and without the dry-run option. They also test that the dry-run does not
 # write the index and that together with -u it doesn't touch the work tree.