Description:
------------
Running PHP 5.2.9 linked against cURL 7.19.4.  

According to the documentation, the option "CURLOPT_PROTOCOLS" is available as of cURL 7.19.4, but PHP is throwing a notice: "Use of undefined constant CURLOPT_PROTOCOLS - assumed 'CURLOPT_PROTOCOLS'"

Also all the "CURLPROTO_*" constants are not available:

Use of undefined constant CURLPROTO_HTTPS - assumed 'CURLPROTO_HTTPS'

Reproduce code:
---------------
<?php

$client = curl_init();
curl_setopt($client, CURLOPT_POSTFIELDS, $xml);

var_dump(curl_version());

?>

Expected result:
----------------
** NOTE: No notices **

array(9) {
  ["version_number"]=>
  int(463620)
  ["age"]=>
  int(3)
  ["features"]=>
  int(541)
  ["ssl_version_number"]=>
  int(0)
  ["version"]=>
  string(6) "7.19.4"
  ["host"]=>
  string(19) "i386-pc-solaris2.10"
  ["ssl_version"]=>
  string(14) "OpenSSL/0.9.8j"
  ["libz_version"]=>
  string(5) "1.2.3"
  ["protocols"]=>
  array(9) {
    [0]=>
    string(4) "tftp"
    [1]=>
    string(3) "ftp"
    [2]=>
    string(6) "telnet"
    [3]=>
    string(4) "dict"
    [4]=>
    string(4) "ldap"
    [5]=>
    string(4) "http"
    [6]=>
    string(4) "file"
    [7]=>
    string(5) "https"
    [8]=>
    string(4) "ftps"
  }
}

Actual result:
--------------
<br />
<b>Notice</b>:  Use of undefined constant CURLOPT_PROTOCOLS - assumed 'CURLOPT_PROTOCOLS' in ...<br />
<br />
<b>Notice</b>:  Use of undefined constant CURLPROTO_HTTPS - assumed 'CURLPROTO_HTTPS' in ...<br />

array(9) {
  ["version_number"]=>
  int(463620)
  ["age"]=>
  int(3)
  ["features"]=>
  int(541)
  ["ssl_version_number"]=>
  int(0)
  ["version"]=>
  string(6) "7.19.4"
  ["host"]=>
  string(19) "i386-pc-solaris2.10"
  ["ssl_version"]=>
  string(14) "OpenSSL/0.9.8j"
  ["libz_version"]=>
  string(5) "1.2.3"
  ["protocols"]=>
  array(9) {
    [0]=>
    string(4) "tftp"
    [1]=>
    string(3) "ftp"
    [2]=>
    string(6) "telnet"
    [3]=>
    string(4) "dict"
    [4]=>
    string(4) "ldap"
    [5]=>
    string(4) "http"
    [6]=>
    string(4) "file"
    [7]=>
    string(5) "https"
    [8]=>
    string(4) "ftps"
  }
}