coal: fix some glitches in annotate header

coal: fix some glitches in annotate header

--- a/templates/coal/fileannotate.tmpl	Fri Apr 04 22:36:40 2008 +0200
+++ b/templates/coal/fileannotate.tmpl	Fri Apr 04 22:19:24 2008 +0200
@@ -29,7 +29,7 @@
 
 <div class="main">
 <h2>{repo|escape}</h2>
-<h3>Annotate {file|escape} @ {diff}:{node|short}</h2>
+<h3>annotate {file|escape} @ {rev}:{node|short}</h2>
 
 <form class="search" action="{url}log">
 {sessionvars%hiddenformentry}