Log Message:
Update to 1.18.0:

Mainly compiler options fine-tuning.
This version to be the first one used by XCB.

Arnaud Fontaine (1):
      Interleaved C code and declarations is no longer a portability issue.

Bart Massey (1):
      Revert "Interleaved C code and declarations is no longer a \ 
portability issue."

Gaetan Nadon (4):
      CWARNFLAGS: comment out -Wcast-qual
      XORG_WITH_DOXYGEN: check for the dot graphics utility
      XORG_TESTSET_CFLAG: add -fd which is the SUNCC -Wold-style-definition
      Version bump: 1.18.0

Ross Burton (1):
      xorg-macros.m4.in: use the autoconf cache for XORG_CHECK_MALLOC_ZERO