Fix function_exists() call.

diff --git a/framework/Net_IMSP/IMSP/Auth/cram_md5.php b/framework/Net_IMSP/IMSP/Auth/cram_md5.php
index b80569b..2d27ae4 100644 (file)
--- a/framework/Net_IMSP/IMSP/Auth/cram_md5.php
+++ b/framework/Net_IMSP/IMSP/Auth/cram_md5.php
@@ -88,7 +88,7 @@ class Net_IMSP_Auth_cram_md5 extends Net_IMSP_Auth {
      */
     function _hmac($key, $data)
     {
-        if (function_exists(hash_hmac)) {
+        if (function_exists('hash_hmac')) {
             return hash_hmac('md5', $data, $key);
         }