use stderr for error output.

diff --git a/docs/examples/chkspeed.c b/docs/examples/chkspeed.c
index 031eec8939236bbc908048e49ef8e421960f5af6..7d2a3da613fd3de4b88f76a8036f5fffb136d40f 100644 (file)
--- a/docs/examples/chkspeed.c
+++ b/docs/examples/chkspeed.c
@@ -150,7 +150,8 @@ int main(int argc, char *argv[])
       printf("Average download speed: %0.3f kbyte/sec.\n", val / 1024);
 
   } else {
-    printf("Error while fetching '%s' : %s\n", url, curl_easy_strerror(res));
+    fprintf(stderr, "Error while fetching '%s' : %s\n",
+            url, curl_easy_strerror(res));
   }
 
   /* cleanup curl stuff */