libraries: use sha1 instead of shasum on openbsd
libraries: use sha1 instead of shasum on openbsd

emacstheviking/lambdanative,gale320/lambdanative,youprofit/lambdanative,attila-lendvai/lambdanative,youprofit/lambdanative,VincentToups/lambdanative,youprofit/lambdanative,VincentToups/lambdanative,youprofit/lambdanative,attila-lendvai/lambdanative,gale320/lambdanative,emacstheviking/lambdanative,gale320/lambdanative,VincentToups/lambdanative,emacstheviking/lambdanative,emacstheviking/lambdanative,emacstheviking/lambdanative,gale320/lambdanative,VincentToups/lambdanative,youprofit/lambdanative,attila-lendvai/lambdanative,VincentToups/lambdanative,gale320/lambdanative,attila-lendvai/lambdanative,attila-lendvai/lambdanative