[network] Use Byte in preference to UInt8. Fix delete assertion. Scope "buffer" variable to when it is live.
[network] Use Byte in preference to UInt8.
Fix delete assertion.
Scope "buffer" variable to when it is live.

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