am 4d6d6f8a: fix the issue that variable lfcl in dir.c get enormous value.

Merge commit '4d6d6f8a3674ad67f970e2ae908d34f64e4854cf'

* commit '4d6d6f8a3674ad67f970e2ae908d34f64e4854cf':
  fix the issue that variable lfcl in dir.c get enormous value.
tree: f3ca2b19c7fe9791bca879313ad7f64787b337d1
  1. Android.mk
  2. boot.c
  3. check.c
  4. dir.c
  5. dosfs.h
  6. ext.h
  7. fat.c
  8. fsutil.h
  9. main.c