June 28 (Bloomberg) — Nitsan Hargil, an analyst at GreenCrest Capital Management LLC, talks about the outlook for an initial public offering by social-media game company Zynga Inc.   Zynga, the top developer of games for Facebook Inc.\u2019s site, will file paperwork for an IPO tomorrow, according to GreenCrest, which cited a \u201cmajor investor\u201d in the startup. Hargil also discusses the outlook for Zynga’s growth and revenue. He speaks with Emily Chang and Cory Johnson on Bloomberg Television's "Bloomberg…