block/curl.c: Fix CURLOPT_VERBOSE parameter type

In commit ed26056d90 ("block/curl.c: Use explicit long constants in
curl_easy_setopt calls") we missed a further call that takes a long
parameter.

Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Message-ID: <20251013124127.604401-1-rjones@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit ad97769e9d)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

block/curl.c

@@ -531,7 +531,7 @@ static int curl_init_state(BDRVCURLState *s, CURLState *state)
 #endif
 
 #ifdef DEBUG_VERBOSE
-        if (curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1)) {
+        if (curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1L)) {
             goto err;
         }
 #endif