Upgrade rust/crates/matches to 0.1.9

Test: make
Change-Id: Id3ca1af3256cb078d3206ef05e551e5d6b0170c1

1 files changed, 5 insertions, 0 deletions

diff --git a/lib.rs b/lib.rs
index b183925..01ccbf9 100644
--- a/lib.rs
+++ b/lib.rs
@@ -1,3 +1,8 @@
+#![no_std]
+
+// ANDROID: Use std to allow building as a dylib.
+extern crate std;
+
 /// Check if an expression matches a refutable pattern.
 ///
 /// Syntax: `matches!(` *expression* `,` *pattern* `)`