[configure] check that zlib is installed
[configure] check that zlib is installed

Summary: Infer won't compile without it.

Reviewed By: jberdine

Differential Revision: D5255391

fbshipit-source-id: c4aa78d

blzq/infer,facebook/infer,facebook/infer,blzq/infer,jvillard/infer,jvillard/infer,facebook/infer,blzq/infer,ropas/infer,blzq/infer,facebook/infer,ropas/infer,ropas/infer,ropas/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,ropas/infer,jvillard/infer,jvillard/infer,ropas/infer,blzq/infer,blzq/infer,facebook/infer