[mcpat] Included <cstddef> for offsetof function
[mcpat] Included <cstddef> for offsetof function

fhijaz/Graphite,mit-carbon/Graphite,nkawahara/Graphite,mit-carbon/Graphite,8l/Graphite,8l/Graphite,victorisildur/Graphite,fhijaz/Graphite,victorisildur/Graphite,8l/Graphite,mit-carbon/Graphite,nkawahara/Graphite,nkawahara/Graphite,8l/Graphite,fhijaz/Graphite,fhijaz/Graphite,nkawahara/Graphite,victorisildur/Graphite,mit-carbon/Graphite,victorisildur/Graphite