Add deprecated docblock tags for do_hash() and read_file()
diff --git a/system/helpers/file_helper.php b/system/helpers/file_helper.php
index be616f6..7270ee3 100644
--- a/system/helpers/file_helper.php
+++ b/system/helpers/file_helper.php
@@ -47,6 +47,7 @@
* This function is DEPRECATED and should be removed in
* CodeIgniter 3.1+. Use file_get_contents() instead.
*
+ * @deprecated
* @param string path to file
* @return string
*/
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index 7fcb184..7968f9e 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -80,6 +80,7 @@
* This function is DEPRECATED and should be removed in
* CodeIgniter 3.1+. Use hash() instead.
*
+ * @deprecated
* @param string
* @param string
* @return string