version IkIWiki use, to help prevent wacky mismatch errors

ikiwiki.in

@@ -7,7 +7,7 @@ package IkiWiki;
 use warnings;
 use strict;
 use lib '.'; # For use in nonstandard directory, munged by Makefile.
-use IkiWiki;
+use IkiWiki 3.00;
 
 sub usage () {
 	die gettext("usage: ikiwiki [options] source dest"), "\n",