admin.php fix to account for strict notice…

validate method should be compatible with scbAdminPage::validate…

function validate( $new_data, $old_data ) {
		foreach ( array( 'style', 'num_pages', 'num_larger_page_numbers', 'larger_page_numbers_multiple' ) as $key )
			$new_data[$key] = absint( @$new_data[$key] );

		foreach ( array( 'use_pagenavi_css', 'always_show' ) as $key )
			$new_data[$key] = (bool) @$new_data[$key];

		return $new_data;
	}

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