am bc45edaa: am bac79558: Merge "Fix x86_64 user_fpregs_struct to use the same name for the tag word as glibc."

* commit 'bc45edaa9e5673c13b3cb161aa2bfacea29bbe04':
  Fix x86_64 user_fpregs_struct to use the same name for the tag word as glibc.