Fix for upstream change

openssl-sys/Cargo.toml

@@ -18,7 +18,7 @@ sslv2 = []
 aes_xts = []
 
 [build-dependencies]
-pkg-config = "0.2"
+pkg-config = "0.2.1"
 gcc = "0.1"
 
 [target.le32-unknown-nacl.dependencies]

openssl-sys/build.rs

@@ -31,7 +31,7 @@ fn main() {
     }
 
     let err = match pkg_config::find_library("openssl") {
-        Ok(()) => {
+        Ok(..) => {
             build_old_openssl_shim(true);
             return;
         }