Update to 1.0.4:

1.0.4:
Alan Coopersmith:
      SVR4 (including Solaris) puts gethostbyname_r in libnsl instead of libc
      Version bump: 1.0.4

Damien Th辿bault:
      Bug 17314: libXau's Makefile.am should have proper man creation rules

Daniel Drake:
      Bug #11097: libXau COPYING fix (add missing copyright dates)

(wiz)