Log Message:
Update to 2.8.6:

Overview of Changes from GTK+ 2.8.5 to GTK+ 2.8.6
=================================================
* GtkFileChooser
 - Don't reload the current folder unnecessarily on map [Federico
   Mena Quintero]
* Revert a change from 2.8.5 that could lead to assertion
  failures when finalizing GtkStyles [Matthias Clasen]
* Remove context prefixes from Portugese translations [Duarte
  Henriques]

Overview of Changes from GTK+ 2.8.4 to GTK+ 2.8.5
=================================================
* GtkFileChooser
 - Don't clear the file name entry too often when
   in SAVE mode.  [Jürg Billeter]
 - Reduce the startup time in OPEN mode [Federico
   Mena Quintero]
* Stop drag in GtkPaned when grab shadowed [Matthias Clasen]
* Correct the calculation for the first weekday
  in GtkCalendar [Matthias Clasen]
* Use a larger buffer when determining the image
  format in gdk-pixbuf [Sebastian Bacher, Dom Lachowicz]
* Win32 bug fixes [Kazuki Iwamoto, Tor Lillqvist]
* Other bug fixes [Tor Lillqvist, Gustavo Carneiro,
  Paolo Borelli, Ray Strode, Søren Sandmann, Tommi Komulainen,
  Benjamin Berg]