- removed some compiler warnings

- added patch to fix problem in cfi_intel_write_block. In case of 
  cfi_info->write_algorithm is not NULL, target_code_size was not set.
(thanks to oyvind Harboe for the patch)

git-svn-id: svn://svn.berlios.de/openocd/trunk@235 b42882b7-edfa-0310-969c-e2dbd0fdcd60