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
diff --git a/gpttool/gpttool.c b/gpttool/gpttool.c
index 05d5177..d3f08fe 100644
--- a/gpttool/gpttool.c
+++ b/gpttool/gpttool.c
@@ -161,7 +161,7 @@
 {
 	struct efi_entry *entry = ptbl->entry;
 	unsigned n, m;
-	char name[EFI_NAMELEN];
+	char name[EFI_NAMELEN + 1];
 
 	fprintf(stderr,"ptn  start block   end block     name\n");
 	fprintf(stderr,"---- ------------- ------------- --------------------\n");