[network] Fix compile error.
[network] Fix compile error.

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