Add <new> header for placement new
Add <new> header for placement new

Summary: This header is necessary for the placement new operator used in the construct method (line 265)

Reviewed By: yfeldblum

Differential Revision: D3156741

fb-gh-sync-id: 84a64821553b42d46fb70b5ee267a401028c94f2
fbshipit-source-id: 84a64821553b42d46fb70b5ee267a401028c94f2

brunomorishita/folly,mqeizi/folly,floxard/folly,charsyam/folly,mqeizi/folly,rklabs/folly,facebook/folly,mqeizi/folly,Orvid/folly,rklabs/folly,facebook/folly,floxard/folly,floxard/folly,rklabs/folly,floxard/folly,charsyam/folly,brunomorishita/folly,mqeizi/folly,Orvid/folly,rklabs/folly,facebook/folly,facebook/folly,charsyam/folly,Orvid/folly,brunomorishita/folly,charsyam/folly,rklabs/folly,mqeizi/folly,brunomorishita/folly,brunomorishita/folly,facebook/folly,floxard/folly,Orvid/folly,Orvid/folly