Index: wp-admin/import/blogger.php
===================================================================
--- wp-admin/import/blogger.php	(revision 5244)
+++ wp-admin/import/blogger.php	(working copy)
@@ -526,6 +526,10 @@
 			add_post_meta( $post_id, 'blogger_blog', $this->blogs[$importing_blog]['host'], true );
 			add_post_meta( $post_id, 'blogger_author', $author, true );
 			add_post_meta( $post_id, 'blogger_permalink', $entry->old_permalink, true );
+			preg_match('/post-?(\d+)/', $entry->id, $matches);
+			if ("" != $matches[1]) {
+				add_post_meta( $post_id, 'blogger_postid', $matches[1], true );
+			}
 
 			$this->blogs[$importing_blog]['posts'][$entry->old_permalink] = $post_id;
 			++$this->blogs[$importing_blog]['posts_done'];