Remove bashism from t3210-pack-refs.sh

diff --git a/t/t3210-pack-refs.sh b/t/t3210-pack-refs.sh
index f31e79c561fd1adee699850d0e78755314c4c2ee..ca5bd49ba6cc86f15d7633ecebaee1c569229256 100755 (executable)
--- a/t/t3210-pack-refs.sh
+++ b/t/t3210-pack-refs.sh
@@ -23,7 +23,7 @@ SHA1=
 test_expect_success \
     'see if git show-ref works as expected' \
     'git-branch a &&
-     SHA1=$(< .git/refs/heads/a) &&
+     SHA1=`cat .git/refs/heads/a` &&
      echo "$SHA1 refs/heads/a" >expect &&
      git-show-ref a >result &&
      diff expect result'