Fix vincemark; need to preload libRooFit for clang
Fix vincemark; need to preload libRooFit for clang

roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts