ITS#7955, #7671 fix MDB_PREV_DUP

libraries/liblmdb/mdb.c

@@ -5457,13 +5457,13 @@ mdb_cursor_prev(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op)
 					}
 					return rc;
 				}
+			}
 		} else {
 			mc->mc_xcursor->mx_cursor.mc_flags &= ~(C_INITIALIZED|C_EOF);
 			if (op == MDB_PREV_DUP)
 				return MDB_NOTFOUND;
 		}
 	}
-	}
 
 	DPRINTF(("cursor_prev: top page is %"Z"u in cursor %p",
 		mdb_dbg_pgno(mp), (void *) mc));