perhaps dont add spc on variable expasion with tab

[Dan Jacobson]

I don't like how the extra space is added when I type
$ cd $www<TAB>
it becomes
$ cd $wwwoffle_cache <1 space here
because I want to fill more stuff at the end,
like subdirectories...
$ echo $wwwoffle_cache 
/var/cache/wwwoffle

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DSHELL -DHAVE_CONFIG_H   -I.  
-I/home/doko/packages/bash/bash-2.05a 
-I/home/doko/packages/bash/bash-2.05a/include 
-I/home/doko/packages/bash/bash-2.05a/lib -g -O2
uname output: Linux debian 2.4.18-k7 #1 Sun Apr 14 13:19:11 EST 2002 i686 
unknown
Machine Type: i386-pc-linux-gnu

Bash Version: 2.05a
Patch Level: 0
Release Status: release

Description:
        [Detailed description of the problem, suggestion, or complaint.]

Repeat-By:
        [Describe the sequence of events that causes the problem
        to occur.]

Fix:
        [Description of how to fix the problem.  If you don't know a
        fix for the problem, don't include this section.]