This patch tweaks target_xfer_status_to_string on comments and argument
name.
gdb:
2014-02-24 Yao Qi <yao@codesourcery.com>
* target.c (target_xfer_status_to_string): Rename argument err
to status.
* target.h (target_xfer_status_to_string): Update declaration.
Replace target_xfer_error_to_string with
target_xfer_status_to_string in comment.