Log Message:
Update to 1.2.1.

1.2.1:
This minor maintenance release improves the man page, fixes issues
found by static code analysis, and provides other cleanups to the
code and build configuration.

1.2.0:
This release adds support for printing UTF8_STRING properties
as UTF-8 strings in appropriate locales, including a new "u"
specifier for the -format option.