[libgcj 2.95] configure --help fixes

[Anthony Green]

Rainer wrote:
> I noticed that the libgcj 2.95 configure --help output from boehm-gc,
> libffi, libjava and zlib doesn't align nicely.  The following patch fixes
> this.  Please note that there are several different blocks of patches,
> intermixed with ChangeLog fragments.

Thanks.  I've committed all of these to the trunk.

AG

-- 
Anthony Green                                               Cygnus Solutions
                                                       Sunnyvale, California