Users are now prompted to log in, if not logged in, when clicking on an unsubscribe CS email link

docs/changelog/7.x.x.txt

@@ -32,6 +32,7 @@
  - added: Inbox messages now tell you who the message was from
  - fixed: Reoccurring transactions now update the correct user id
  - fixed: I need a template for this display
+ - fixed: If a user clicks on an unsubscribe link in an email and they are not logged into WebGUI, they are now prompted to log in so that they can then unsbscribe.
 
 7.5.22
  - fixed: Layout template now gets prepared correctly

lib/WebGUI/Asset/Wobject/Collaboration.pm

@@ -1472,9 +1472,13 @@ The web method to unsubscribe from a collaboration.
 =cut
 
 sub www_unsubscribe {
-	my $self = shift;
-	$self->unsubscribe if $self->canSubscribe;
-	return $self->www_view;
+    my $self = shift;
+    if($self->canSubscribe){
+        $self->unsubscribe;
+        return $self->www_view;
+    }else{
+        return $self->session->privilege->noAccess;
+    } 
 }
 
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