set use_built_in_libdl in stubwasi.rs

...which matches what we're doing in lib.rs and fixes "unresolved symbol"
errors.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

Author: dicej

src/lib.rs

@@ -256,7 +256,7 @@ pub async fn componentize(
         let (my_resolve, world) = parse_wit(Path::new("wit"), world, features, all_features)
             .context(
                 "no WIT files found; please specify the directory or file \
-             containing the WIT world you wish to target",
+                 containing the WIT world you wish to target",
             )?;
         main_world = Some(world);
         my_resolve

src/stubwasi.rs

@@ -14,7 +14,9 @@ pub fn link_stub_modules(
     libraries: Vec<Library>,
 ) -> Result<Option<(Vec<u8>, impl Fn(u32) -> u32)>, Error> {
     let mut wasi_imports = HashMap::new();
-    let mut linker = wit_component::Linker::default().validate(true);
+    let mut linker = wit_component::Linker::default()
+        .validate(true)
+        .use_built_in_libdl(true);
 
     for Library {
         name,