Fix a bunch of small system/core bugs.

Missing frees in:
  adb/file_sync_client.c
  fastboot/fastboot.c
  libsparse/output_file.c

Missing closedirs in:
  adb/file_sync_service.c
  cpio/mkbootfs.c
  libcutils/dir_hash.c

Potential buffer overrun in:
  gpttool/gpttool.c

Incorrect NULL check in:
  libsparse/backed_block.c

Bug: https://code.google.com/p/android/issues/detail?id=61564
Change-Id: If97838a9e73a77aef7f416c31c237ce1fca4ce21
Improve some adb error logging

Bug: 11290643
Change-Id: Ibad4e9f0b69421cd6017b70a52237e7f27aab848
Use %zd for size_t.

Change-Id: I0139243c309e85236eb00bb471736bdd99eeec84
Eliminate text relocations in x86 optimized memset versions

Change-Id: Ieb72af8cf7f93210a68a87b1e2538deb5642f4d5
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>