examples/cookie_interface.c: add cleanup call

cleaning up handles is a good idea as we leak memory otherwise

Also, line wrapped before 80 columns.

docs/examples/cookie_interface.c

@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -43,7 +43,8 @@ print_cookies(CURL *curl)
   printf("Cookies, curl knows:\n");
   res = curl_easy_getinfo(curl, CURLINFO_COOKIELIST, &cookies);
   if (res != CURLE_OK) {
-    fprintf(stderr, "Curl curl_easy_getinfo failed: %s\n", curl_easy_strerror(res));
+    fprintf(stderr, "Curl curl_easy_getinfo failed: %s\n",
+            curl_easy_strerror(res));
     exit(1);
   }
   nc = cookies, i = 1;
@@ -71,7 +72,7 @@ main(void)
 
     curl_easy_setopt(curl, CURLOPT_URL, "http://www.example.com/");
     curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
-    curl_easy_setopt(curl, CURLOPT_COOKIEFILE, ""); /* just to start the cookie engine */
+    curl_easy_setopt(curl, CURLOPT_COOKIEFILE, ""); /* start cookie engine */
     res = curl_easy_perform(curl);
     if (res != CURLE_OK) {
       fprintf(stderr, "Curl perform failed: %s\n", curl_easy_strerror(res));
@@ -92,10 +93,13 @@ main(void)
 #endif
     /* Netscape format cookie */
     snprintf(nline, sizeof(nline), "%s\t%s\t%s\t%s\t%lu\t%s\t%s",
-      ".google.com", "TRUE", "/", "FALSE", (unsigned long)time(NULL) + 31337UL, "PREF", "hello google, i like you very much!");
+             ".google.com", "TRUE", "/", "FALSE",
+             (unsigned long)time(NULL) + 31337UL,
+             "PREF", "hello google, i like you very much!");
     res = curl_easy_setopt(curl, CURLOPT_COOKIELIST, nline);
     if (res != CURLE_OK) {
-      fprintf(stderr, "Curl curl_easy_setopt failed: %s\n", curl_easy_strerror(res));
+      fprintf(stderr, "Curl curl_easy_setopt failed: %s\n",
+              curl_easy_strerror(res));
       return 1;
     }
 
@@ -110,7 +114,8 @@ main(void)
       "expires=Sun, 17-Jan-2038 19:14:07 GMT; path=/; domain=.google.com");
     res = curl_easy_setopt(curl, CURLOPT_COOKIELIST, nline);
     if (res != CURLE_OK) {
-      fprintf(stderr, "Curl curl_easy_setopt failed: %s\n", curl_easy_strerror(res));
+      fprintf(stderr, "Curl curl_easy_setopt failed: %s\n",
+              curl_easy_strerror(res));
       return 1;
     }
 
@@ -121,6 +126,8 @@ main(void)
       fprintf(stderr, "Curl perform failed: %s\n", curl_easy_strerror(res));
       return 1;
     }
+
+    curl_easy_cleanup(curl);
   }
   else {
     fprintf(stderr, "Curl init failed!\n");