message: fix WASMER_PATH with target
diff: @@ -9,6 +9,10 @@ pub const ASSET_PATH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../../../test
  pub const WASMER_INCLUDE_PATH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../../../lib/c-api");
  +#[cfg(feature = "debug")]
  +pub const WASMER_PATH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../../../target/debug/wasmer");
  +
  +#[cfg(not(feature = "debug"))]
  pub const WASMER_PATH: &str = concat!(
  env!("CARGO_MANIFEST_DIR"),
  "/../../../target/release/wasmer"
  