Merge pull request #939 from rust-lang/dependabot/cargo/syn-1.0.48

Cargo.lock

@@ -1664,9 +1664,9 @@ checksum = "343f3f510c2915908f155e94f17220b19ccfacf2a64a2a5d8004f2c3e311e7fd"
 
 [[package]]
 name = "syn"
-version = "1.0.46"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ad5de3220ea04da322618ded2c42233d02baca219d6f160a3e9c87cda16c942"
+checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac"
 dependencies = [
  "proc-macro2",
  "quote",