Bug 175441

Description of problem: ksh scripts no longer works as they used to do in FC4.
Here is a simple test case that works with bash but fails with ksh on recent
rawhide install (works with FC4's ksh too) 
On rawhide with ksh;
[armnlib@rhema2 ~]$ cat test
#!/bin/ksh

echo $PWD
 . test2
$F90 -v
[armnlib@rhema2 ~]$ cat test2
#!/bin/ksh

export F90=ifort
[armnlib@rhema2 ~]$ ./test
/home/armnlib
./test[4]: .: test2: cannot open [No such file or directory]
[armnlib@rhema2 ~]$

On rawhide with bash;
[armnlib@rhema2 ~]$ cat test
#!/bin/bash

echo $PWD
 . test2
$F90 -v
[armnlib@rhema2 ~]$ cat test2
#!/bin/bash

export F90=ifort
[armnlib@rhema2 ~]$ ./test
/home/armnlib
Version 9.0
[armnlib@rhema2 ~]$


Version-Release number of selected component (if applicable):ksh-20050202-3.i386.rpm


How reproducible: always


Steps to Reproduce:
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Actual results:


Expected results:


Additional info: