Add rustc_lexer as dependency to rustc_passes

Author: GuillaumeGomez

Diff for: Cargo.lock

@@ -4011,6 +4011,7 @@ dependencies = [
  "rustc_errors",
  "rustc_hir",
  "rustc_index",
+ "rustc_lexer",
  "rustc_middle",
  "rustc_serialize",
  "rustc_session",

Diff for: compiler/rustc_passes/Cargo.toml

@@ -18,3 +18,4 @@ rustc_ast = { path = "../rustc_ast" }
 rustc_serialize = { path = "../rustc_serialize" }
 rustc_span = { path = "../rustc_span" }
 rustc_trait_selection = { path = "../rustc_trait_selection" }
+rustc_lexer = { path = "../rustc_lexer" }