fixed bug, job manager did not malloc new space for global environment variable and later tried to free them.  Fix was to malloc space and copy the strings.
fixed bug, job manager did not malloc new space for global environment
variable and later tried to free them.  Fix was to malloc space and copy
the strings.

ellert/globus-toolkit,gridcf/gct,globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,gridcf/gct,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,gridcf/gct,gridcf/gct,globus/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,gridcf/gct,globus/globus-toolkit