Use submit_button() in more places. See #15064

git-svn-id: http://svn.automattic.com/wordpress/trunk@15830 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/template.php

@@ -843,9 +843,7 @@ function wp_import_upload_form( $action ) {
 <input type="hidden" name="action" value="save" />
 <input type="hidden" name="max_file_size" value="<?php echo $bytes; ?>" />
 </p>
-<p class="submit">
-<input type="submit" class="button" value="<?php esc_attr_e( 'Upload file and import' ); ?>" />
-</p>
+<?php submit_button( __('Upload file and import'), 'secondary' ); ?>
 </form>
 <?php
 	endif;