fix uninitialized value problem

This occurred when a plugin, loaded earlier, filled out a template in its
checkconfig, before recentchanges's checkconfig had run. Since such a
template won't be a recentchanges template, just test for the value being
uninitialized and skip processing.

1 files changed, 2 insertions, 8 deletions

diff --git a/IkiWiki/Plugin/recentchanges.pm b/IkiWiki/Plugin/recentchanges.pm
index 3020b6a6a..f4f9ca348 100644
--- a/IkiWiki/Plugin/recentchanges.pm
+++ b/IkiWiki/Plugin/recentchanges.pm
@@ -40,14 +40,8 @@ sub pagetemplate (@) { #{{{
 	my $template=$params{template};
 	my $page=$params{page};
 
-	# XXX this is here because I've been seeing a strange uninitialized
-	# value in this sub.
-	if (! defined $config{recentchangespage}) {
-		eval q{use Carp};
-		Carp::cluck("undefined recentchangespage; please report this to Joey");
-	}
-
-	if ($config{rcs} && $page ne $config{recentchangespage} &&
+	if (defined $config{recentchangespage} && $config{rcs} &&
+	    $page ne $config{recentchangespage} &&
 	    $template->query(name => "recentchangesurl")) {
 		$template->param(recentchangesurl => urlto($config{recentchangespage}, $page));
 		$template->param(have_actions => 1);