[MacPorts] #23760: autobench 2.1.2 needs dependency to gawk and fix bench2graph script

[MacPorts]

#23760: autobench 2.1.2 needs dependency to gawk and fix bench2graph script
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 Reporter:  woshiadai2007@…          |       Owner:  macports-tickets@…                   
     Type:  defect                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:                                       
Component:  ports                    |     Version:  1.8.1                                
 Keywords:  autobench                |        Port:  autobench                            
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 the bench2script needs gawk while normally mac comes with awk only

 the script uses standard /bin/sh, which causes the echo -n to break the
 gnuplot script, change it to /bin/bash fixes the issue

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Ticket URL: <http://trac.macports.org/ticket/23760>
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