AIX libstdc++-v3 breakage on gcc-3.0 branch

[Alexandre Oliva]

On May 21, 2001, David Edelsohn <dje@watson.ibm.com> wrote:

> 	The import of libtool 1.4a 1.641.2.254 has broken libstdc++-v3 on
> the gcc-3.0 branch.

> 	The fix of the quoting typo when defining

>         allow_undefined_flag='${wl}-berok'

> now means that there is no space in archive_expsym_cmds:

> ${wl}-bnoentry${allow_undefined_flag}

> 	I presume that a space should be added in the definition of
> archive_expsym_cmds? 

ltcf-c.sh and ltcf-gcj.sh have the space in allow_undefined_flag, so
I'm fixing ltcf-cxx.sh to conform: