Fix #11511. URLs in version tag approval emails should be links.

docs/changelog/7.x.x.txt

@@ -12,6 +12,7 @@
  - fixed #11509: System trash not sticky
  - fixed #11506: Cruft on i18n dirs in the released .tar.gz
  - fixed #11510: Scratch variables for sort direction and key can break the CS
+ - fixed #11511: Approval Notifications: URL in mails only plain text
 
 7.9.1
  - fixed #11464: blank page after setting posts per page in Collaboration System to 0 (zero)

lib/WebGUI/Workflow/Activity/RequestApprovalForVersionTag.pm

@@ -174,7 +174,6 @@ sub execute {
     my $versionTag  = shift;
     my $instance    = shift;
     my $i18n        = WebGUI::International->new( $self->session, "VersionTag" );
-    my $inbox       = WebGUI::Inbox->new( $self->session );
 
     # First time through, send the message(s)
     if ( $instance->getScratch("status") eq "" ) {
@@ -267,7 +266,7 @@ sub sendMessage {
     my $messageText 
         = join "\n\n",
             $self->get("message"),
-            $approvalUrl,
+            sprintf('<a href="%s">%s</a>', $approvalUrl, $approvalUrl,),
             $versionTag->get("comments"),
         ;