Upgrade rust/crates/syn to 1.0.19

Test: None
Change-Id: I1a75beb98d165ed3998145eae339a23526412cfa

1 files changed, 3 insertions, 3 deletions

diff --git a/METADATA b/METADATA
index 94b410f7..0d3f7ccc 100644
--- a/METADATA
+++ b/METADATA
@@ -9,11 +9,11 @@ third_party {
     type: GIT
     value: "https://github.com/dtolnay/syn"
   }
-  version: "1.0.18"
+  version: "1.0.19"
   license_type: NOTICE
   last_upgrade_date {
     year: 2020
-    month: 4
-    day: 23
+    month: 5
+    day: 6
   }
 }