Auto merge of #5677 - frewsxcv:https, r=Ms2ger

Extracted this out of #5649

This commit was created with the following commands:

```
find . -iname "*.webidl" -type f -print0 | xargs -0 sed -i '' 's/http:\(.*\)whatwg.org/https:\1whatwg.org/g'
```

```
find . -iname "*.rs" -type f -print0 | xargs -0 sed -i '' 's/http:\(.*\)whatwg.org/https:\1whatwg.org/g'
```

1 files changed, 2 insertions, 2 deletions

diff --git a/components/script/dom/htmltableelement.rs b/components/script/dom/htmltableelement.rs
index 79f278d4487..437e5f6fa96 100644
--- a/components/script/dom/htmltableelement.rs
+++ b/components/script/dom/htmltableelement.rs
@@ -60,7 +60,7 @@ impl HTMLTableElement {
 }
 
 impl<'a> HTMLTableElementMethods for JSRef<'a, HTMLTableElement> {
-    //  http://www.whatwg.org/html/#dom-table-caption
+    //  https://www.whatwg.org/html/#dom-table-caption
     fn GetCaption(self) -> Option<Temporary<HTMLTableCaptionElement>> {
         let node: JSRef<Node> = NodeCast::from_ref(self);
         node.children()
@@ -71,7 +71,7 @@ impl<'a> HTMLTableElementMethods for JSRef<'a, HTMLTableElement> {
             .next()
     }
 
-    // http://www.whatwg.org/html/#dom-table-caption
+    // https://www.whatwg.org/html/#dom-table-caption
     fn SetCaption(self, new_caption: Option<JSRef<HTMLTableCaptionElement>>) {
         let node: JSRef<Node> = NodeCast::from_ref(self);
         let old_caption = self.GetCaption();