pcp updates - sheet2pcp module use change

[Ken McDonell <kenj@xxxxxxxxxxxxxxxx>]

Changes committed to git://oss.sgi.com/kenj/pcp.git dev

 src/pmimport/sheet2pcp/sheet2pcp |   16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

commit c942522df4aaad4810ad5d1b90dc54b0ac153a1c
Author: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date:   Fri Aug 2 06:50:03 2013 +1000

    sheet2pcp - change use Spreadsheet::Read
    
    Use an equivalent require + import() construct to still use the
    Spreadsheet::Read module, but give us the chance to warn and explain
    to the user if it is not installed.