Bump curl-sys to 0.4.20

alexcrichton · alexcrichton · commit e94f8d7ed74e · 2019-07-01T16:31:01.000-07:00
diff --git a/curl-sys/Cargo.toml b/curl-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "curl-sys"
-version = "0.4.19"
+version = "0.4.20"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 links = "curl"
 build = "build.rs"
