Work around http-fetch built with cURL 7.16.0
Work around http-fetch built with cURL 7.16.0

It appears that curl_easy_duphandle() from libcurl 7.16.0
returns a curl session handle which fails GOOD_MULTI_HANDLE()
check in curl_multi_add_handle().  This causes fetch_ref() to
fail because start_active_slot() cannot start the request.

For now, check for 7.16.0 to work this issue around.

Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git