Log Message:
Update to 0.3.9:

Alan Coopersmith (1):
      Mark DEPTH_MASK as Unsigned int

Arnaud Fontaine (3):
      Add autogen.sh to EXTRA_DIST.
      Follow changes in m4 submodule.
      Release 0.3.9

Gaetan Nadon (9):
      config: add bug URL to AC_INIT
      config: replace deprecated use of AC_OUTPUT with AC_CONFIG_FILES
      config: use AC_CONFIG_HEADERS to create a config.h file
      config: remove old dead code for documentation
      config: add missing COPYING file
      make: use AM_CPPFLAGS rather than per-target libxcb_render_util_la_CPPFLAGS
      make: using EXTRA_DIST for xcb-renderutil.pc.in is redundant
      make: there should be no attempt to remove any Makefile.in file
      make: compile the library with standard xorg warning flags

Jochen Keil (1):
      Fix compilation and linking issues with C++

Niclas Zeising (1):
      Check submodules before running autoconf.