feature/pgtk updated (ce14970 -> 0af4e75)

[Yuuki Harano]

masm11 pushed a change to branch feature/pgtk.

      from  ce14970   Follow get-buffer-create change
       new  91d450d   Fix pgtk-display-monitor-attributes-list to return 
physical pixel sizes.
       new  78801c6   Make display-mm-width/height consider multi-monitor.
       new  0af4e75   Fix display-pixel-width/height to return physical pixel 
size.


Summary of changes:
 src/pgtkfns.c | 275 +++++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 187 insertions(+), 88 deletions(-)