I guess a change to the regexp parsing arguments should do the trick,
diff -u:
--- /usr/share/perl5/RRD/CGI/Image.pm.org 2010-01-26
02:19:56.000000000 +0100
+++ /usr/share/perl5/RRD/CGI/Image.pm 2010-01-26 02:20:42.000000000 +0100
@@ -61,7 +61,7 @@
}
# Set and strip any timezone params - it's not a valid
RRDs::graph() argument
- if ( $k =~ /tz/i ) {
+ if ( $k =~ /^tz/i ) {
$self->tz( $v );
next;
}