Auto merge of #14220 - heycam:bindings-update-5, r=Manishearth

Regenerate bindings.

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r? @Manishearth

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- [ ] `./mach build -d` does not report any errors
- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #__ (github issue number if applicable).

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Bindings update for
https://hg.mozilla.org/incubator/stylo/rev/00ef34eaec71e51237465ff06b5dd5b91e2f41e4

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components/style/gecko_bindings/bindings.rs

@@ -649,7 +649,7 @@ extern "C" {
 }
 extern "C" {
     pub fn Gecko_CSSValue_SetFunction(css_value: nsCSSValueBorrowedMut,
-                                   len: i32);
+                                      len: i32);
 }
 extern "C" {
     pub fn Gecko_CSSValue_GetArrayItem(css_value: nsCSSValueBorrowedMut,