applied patch from Nick Leroy (nleroy@cs.wisc.edu)
applied patch from Nick Leroy (nleroy@cs.wisc.edu)

Fixed a bug which caused the cache to fail cleanups, especially on faster
systems.

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