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-rw-r--r--modules/comment/comment.api.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/modules/comment/comment.api.php b/modules/comment/comment.api.php
index 0d2c17d76..c7d2f6afa 100644
--- a/modules/comment/comment.api.php
+++ b/modules/comment/comment.api.php
@@ -89,7 +89,7 @@ function hook_comment_view($comment) {
*
* @see comment_view()
*/
-function hook_comment_view_alter($build) {
+function hook_comment_view_alter(&$build) {
// Check for the existence of a field added by another module.
if ($build['#view_mode'] == 'full' && isset($build['an_additional_field'])) {
// Change its weight.