mingw: fix mingw_open_append to work with named pipes

diff --git a/t/t5527-fetch-odd-refs.sh b/t/t5527-fetch-odd-refs.sh
index 207899a99faa4ff8fb4d7226e930ba1e9803dc74..3b0cb98422930891548cb45344dd226911a8063f 100755 (executable)
--- a/t/t5527-fetch-odd-refs.sh
+++ b/t/t5527-fetch-odd-refs.sh
@@ -27,7 +27,7 @@ test_expect_success 'suffix ref is ignored during fetch' '
 '
 
 test_expect_success 'try to create repo with absurdly long refname' '
-       ref240=$_z40/$_z40/$_z40/$_z40/$_z40/$_z40 &&
+       ref240=$ZERO_OID/$ZERO_OID/$ZERO_OID/$ZERO_OID/$ZERO_OID/$ZERO_OID &&
        ref1440=$ref240/$ref240/$ref240/$ref240/$ref240/$ref240 &&
        git init long &&
        (