lib/statsd: more efficient string copy
lib/statsd: more efficient string copy

Conflicts:
	node/lib/statsd.js

bunnyblue/tchannel,RyanTech/tchannel,chenwenbin928/tchannel,vanloswang/tchannel,i/tchannel,savaki/tchannel,RyanTech/tchannel,hustxiaoc/tchannel,i/tchannel,vanloswang/tchannel,Zirpon/tchannel,sasa233/tchannel,Zirpon/tchannel,Zirpon/tchannel,savaki/tchannel,bunnyblue/tchannel,i/tchannel,bunnyblue/tchannel,benfleis/tchannel,hustxiaoc/tchannel,RyanTech/tchannel,sasa233/tchannel,chenwenbin928/tchannel,sasa233/tchannel,savaki/tchannel,benfleis/tchannel,benfleis/tchannel,vanloswang/tchannel,chenwenbin928/tchannel,hustxiaoc/tchannel