[libxml2] (2 commits) Non-fast-forward update to branch ddkilzer/use-UPDATE_COMPAT-consistently-in-buf.c

[Nick Wellnhofer <nwellnhof src gnome org>]

The branch 'ddkilzer/use-UPDATE_COMPAT-consistently-in-buf.c' was changed in a way that was not a 
fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  ee8074e... Use UPDATE_COMPAT() consistently in buf.c

Commits added to the branch:

  41afa89... Fix short-lived regression in xmlStaticCopyNode (*)
  a15f2ab... Use UPDATE_COMPAT() consistently in buf.c

(*) This commit already existed in another branch; no separate mail sent