Change e2fsck to detect and offer to delete or rename duplicate 
filenames in directories when rebuilding directories using
"e2fsck -fD /dev/XXX"

diff --git a/e2fsck/problem.h b/e2fsck/problem.h
index f4a87d2..3c405ef 100644
--- a/e2fsck/problem.h
+++ b/e2fsck/problem.h
@@ -643,7 +643,13 @@
 #define PR_2_HTREE_HASH_ORDER	0x02003F
 
 /* Node in HTREE directory has bad depth */
-#define PR_2_HTREE_BAD_DEPTH	0x020040	
+#define PR_2_HTREE_BAD_DEPTH	0x020040
+
+/* Duplicate directory entry found */
+#define PR_2_DUPLICATE_DIRENT	0x020041
+
+/* Non-unique filename found */
+#define PR_2_NON_UNIQUE_FILE	0x020042
 
 /*
  * Pass 3 errors