[fix option for BOEHM garbage collector
John Meacham <john@repetae.net>**20080314232909] hunk ./Main.hs 770
-        boehmOpts | fopts FO.Boehm = ["-D_JHC_BOEHM_GC=1", "-lgc"]
+        boehmOpts | fopts FO.Boehm = ["-D_JHC_GC=2", "-lgc"]