Use stdin reflist passing in parse-remote

Use the new stdin reflist passing mechanism for the call to
fetch--tool expand-refs-wildcard, allowing passing of more
than ~128K of reflist data.

Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Junio C Hamano <junkio@cox.net>

git-parse-remote.sh

@@ -81,7 +81,8 @@ get_remote_default_refs_for_push () {
 # is to help prevent randomly "globbed" ref from being chosen as
 # a merge candidate
 expand_refs_wildcard () {
-	git fetch--tool expand-refs-wildcard "$ls_remote_result" "$@"
+	echo "$ls_remote_result" |
+	git fetch--tool expand-refs-wildcard "-" "$@"
 }
 
 # Subroutine to canonicalize remote:local notation.