Fix tyvar_behind_raw_pointer warnings

https://github.com/rust-lang/rust/issues/46906

1 files changed, 2 insertions, 2 deletions

diff --git a/components/script/dom/textencoder.rs b/components/script/dom/textencoder.rs
index 7ca2a429525..8fb97ac9e78 100644
--- a/components/script/dom/textencoder.rs
+++ b/components/script/dom/textencoder.rs
@@ -11,7 +11,7 @@ use dom::bindings::root::DomRoot;
 use dom::bindings::str::{DOMString, USVString};
 use dom::globalscope::GlobalScope;
 use dom_struct::dom_struct;
-use js::jsapi::JSContext;
+use js::jsapi::{JSContext, JSObject};
 use js::typedarray::{Uint8Array, CreateWith};
 use std::ptr;
 
@@ -50,7 +50,7 @@ impl TextEncoderMethods for TextEncoder {
     unsafe fn Encode(&self, cx: *mut JSContext, input: USVString) -> NonNullJSObjectPtr {
         let encoded = input.0.as_bytes();
 
-        rooted!(in(cx) let mut js_object = ptr::null_mut());
+        rooted!(in(cx) let mut js_object = ptr::null_mut::<JSObject>());
         assert!(Uint8Array::create(cx, CreateWith::Slice(&encoded), js_object.handle_mut()).is_ok());
 
         NonNullJSObjectPtr::new_unchecked(js_object.get())