Fix warning in a future compiler version.

SimonSapin · SimonSapin · commit 902d979032c5 · 2017-05-19T13:30:55.000+02:00
(Do not upgrade yet because of rust-lang/rust#42101)
diff --git a/components/style/properties/longhand/font.mako.rs b/components/style/properties/longhand/font.mako.rs
@@ -1325,6 +1325,7 @@ ${helpers.single_keyword_system("font-kerning",
     }
 </%helpers:longhand>
 
+#[cfg(any(feature = "gecko", feature = "testing"))]
 macro_rules! exclusive_value {
     (($value:ident, $set:expr) => $ident:ident) => {
         if $value.intersects($set) {

Original file line number	Diff line number	Diff line change
`@@ -1325,6 +1325,7 @@ ${helpers.single_keyword_system("font-kerning",`
`1325`	`1325`	`}`
`1326`	`1326`	`</%helpers:longhand>`
`1327`	`1327`
	`1328`	`+#[cfg(any(feature = "gecko", feature = "testing"))]`
`1328`	`1329`	`macro_rules! exclusive_value {`
`1329`	`1330`	`(($value:ident, $set:expr) => $ident:ident) => {`
`1330`	`1331`	`if $value.intersects($set) {`