curl: Don't set curl options on the handle just before it's going to be deleted.

(Found by Kamil Dudka)
Signed-off-by: NRichard W.M. Jones <rjones@redhat.com>
Cc: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

block/curl.c

@@ -452,8 +452,6 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags)
     if (curl_easy_perform(state->curl))
         goto out;
     curl_easy_getinfo(state->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d);
-    curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_read_cb);
-    curl_easy_setopt(state->curl, CURLOPT_NOBODY, 0);
     if (d)
         s->len = (size_t)d;
     else if(!s->len)