Really minor bug. Curent working directory: "//"

[pbd]

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: freebsd7.1
Compiler: cc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' 
-DCONF_OSTYPE='freebsd7.1' -DCONF_MACHTYPE='i386-portbld-freebsd7.1' 
-DCONF_VENDOR='portbld' -DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' 
-DSHELL  -DHAVE_CONFIG_H   -I.  -I. -I./include -I./lib  -I/usr/local/include 
-O2 -fno-strict-aliasing -pipe
uname output: FreeBSD cht0n.bns.tns.cz 7.1-RELEASE-p2 FreeBSD 7.1-RELEASE-p2 
#0: Wed Apr 22 13:13:55 CEST 2009     
ps@cht0n.bns.tns.cz:/usr/obj/usr/src/sys/CHT0N-4  i386
Machine Type: i386-portbld-freebsd7.1

Bash Version: 4.0
Patch Level: 24
Release Status: release

Description:
        Really minor bug. Bash returns "//" as current working directory after 
changing directory to "//". Changing directory to "///" ("or to more slashes") 
results in "/" as current working directory.

Repeat-By:
        cd //
  pwd