rgb: Changes to 'master'

[Alan Coopersmith]

 Makefile.am  |    7 +++++--
 configure.ac |   25 +++++++++++++++++++------
 rgb.c        |   23 ++++-------------------
 showrgb.c    |   16 ++++------------
 4 files changed, 32 insertions(+), 39 deletions(-)

New commits:
commit 11193caceaa02f639d1e8a701ed92947e7eaad36
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Wed Jun 4 20:09:01 2008 -0700

    Fix build to work with --with-rgb-db-type=dbm

commit 0351f14a999264c152d7c585fc91ad4901e3c776
Author: Alan Coopersmith <alan.coopersmith at sun.com>
Date:   Wed Jun 4 19:40:44 2008 -0700

    Fix build to work with --with-rgb-db-type=ndbm
    
    Also remove #includes of unused headers & convert K&R to ANSI C