Show snapshot link in shortlog only if have_snapsho

Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>

gitweb/gitweb.perl

@@ -2033,8 +2033,10 @@ sub git_shortlog_body {
 		print "</td>\n" .
 		      "<td class=\"link\">" .
 		      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
-		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") . " | " .
+		      $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
-		      $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
+		if (gitweb_have_snapshot()) {
+			print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
+		}
 		print "</td>\n" .
 		      "</tr>\n";
 	}