By: Addison Wylie With The Wedding Ringer, you get what you came for.  But, just barely. It helps when you compare Jeremy Garelick’s film next to other recent R-rated comedies that take place around a wedding.  It’s far better than That’s My Boy, and is narrowly beat out by What’s Your Number?.  That’s a pretty pitiful way to look at things, but at this point, I’ll take whatever I can get. The Wedding Ringer also…