feat(net): Move SSL verification to unboxed closures

src/client/mod.rs

@@ -47,15 +47,15 @@ pub struct Client<C> {
     redirect_policy: RedirectPolicy,
 }
 
-impl Client<HttpConnector> {
+impl<'v> Client<HttpConnector<'v>> {
 
     /// Create a new Client.
-    pub fn new() -> Client<HttpConnector> {
+    pub fn new() -> Client<HttpConnector<'v>> {
         Client::with_connector(HttpConnector(None))
     }
 
     /// Set the SSL verifier callback for use with OpenSSL.
-    pub fn set_ssl_verifier(&mut self, verifier: ContextVerifier) {
+    pub fn set_ssl_verifier(&mut self, verifier: ContextVerifier<'v>) {
         self.connector = HttpConnector(Some(verifier));
     }