Log Message:
libxcb: update to 1.17.0.

Alan Coopersmith (2):
      tests: fix -Werror=discarded-qualifiers errors in check_public.c
      xcb_popcount: Use __builtin_popcount if compiler supports it

Erik Kurzinger (1):
      Add xcb-dri3 dependency to xcb-present.pc.in

Matt Turner (2):
      configure.ac: Require xcb-proto >= 1.17.0
      libxcb 1.17.0

Uli Schlachter (1):
      Always write C code in UTF-8