Merge branch 'gpt-part-name' of https://github.com/yontalcar/util-linux

* 'gpt-part-name' of https://github.com/yontalcar/util-linux:
  libfdisk: return bytes processed from gpt_entry_set_name(), process rc
  libfdisk: allocate enough bytes for ucs2 to utf8 encoding
  libfdisk: gpt: properly encode string on rename
  lib/mbsalign: encode backslash to prevent ambiguity