cookie_interface: fix -Wcomma warning

clang 5.0 complains:
possible misuse of comma operator here [-Wcomma]

1 files changed, 2 insertions, 1 deletions

diff --git a/docs/examples/cookie_interface.c b/docs/examples/cookie_interface.c
index 53840a2de..2af0619b5 100644
--- a/docs/examples/cookie_interface.c
+++ b/docs/examples/cookie_interface.c
@@ -47,7 +47,8 @@ print_cookies(CURL *curl)
             curl_easy_strerror(res));
     exit(1);
   }
-  nc = cookies, i = 1;
+  nc = cookies;
+  i = 1;
   while(nc) {
     printf("[%d]: %s\n", i, nc->data);
     nc = nc->next;