message: Fix typo in cranelift mock
diff: use wasmer_clif_backend::CraneliftCompiler;
  use wasmer_runtime::{compile_with, Backend, Instance, Module};
  -static FAKE_GAS_AVAILBLE: u64 = 1_000_000;
  +static FAKE_GAS_AVAILABLE: u64 = 1_000_000;
  pub fn compile(code: &[u8]) -> Module {
  compile_with(code, &CraneliftCompiler::new()).unwrap()
  