Fixed Feature/Reallo.c test for llvm-lit by using FileCheck. This
test will pass under llvm-lit and DejaGNU.
Fixed Feature/ReplayPath.c under llvm-lit (LLVM >= 3.0). This test is
now broken under DejaGNU.
Fixed Feature/Vararg.c for llvm-lit (LLVM >= 3.0). This test is now
broken under DejaGNU.