rewrite globus_libc_strdup to not use mutex, use mem memcpy, and to not malloc 4x more than necessary
rewrite globus_libc_strdup to not use mutex, use mem memcpy, and to not malloc 4x more than necessary

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