x11proto: Changes to 'master'

[Alan Coopersmith]

 Xalloca.h  |    2 -
 Xarch.h    |    8 ++---
 Xfuncs.h   |   37 ++++-----------------------
 Xmd.h      |    5 +--
 Xos.h      |   82 +++++++++++++------------------------------------------------
 Xos_r.h    |    8 ++---
 Xosdefs.h  |    4 +-
 Xthreads.h |    2 -
 8 files changed, 37 insertions(+), 111 deletions(-)

New commits:
commit e9df99b12ef9fefdbc1c05ff51bddffe723051e9
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Sun Jun 14 09:54:58 2009 -0700

    Drop #ifdef USG checks for some truly ancient (pre-SVR4) SysV's
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at sun.com>

commit 385c1343f7e0782b89e40fa17e378bc1f75ce62e
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Sun Jun 14 09:43:53 2009 -0700

    Get rid of unneeded && clause in list of LP64 ifdefs in Xmd.h
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at sun.com>

commit 5aaec3c7a583354a07ec765327fd0edd6216981f
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Sun Jun 14 09:33:16 2009 -0700

    Drop support for SunOS 4 and Solaris releases older than 2.5 (1995)
    
    Includes changing remaining sun ifdef's to check for standard-conformant /
    non-namespace-polluting #ifdef __sun instead of older #ifdef sun.
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at sun.com>