Merge pull request #27 from thijsc/darwin_ssl

Always link openssl, make uri sync and send

mongoc-sys/build.rs

@@ -37,7 +37,7 @@ fn main() {
         // Configure and install
         let mut command = Command::new("sh");
         command.arg("configure");
-        command.arg("--enable-ssl=yes");
+        command.arg("--enable-ssl=openssl");
         command.arg("--enable-sasl=no");
         command.arg("--enable-static=yes");
         command.arg("--enable-shared=no");

src/client.rs

@@ -401,3 +401,6 @@ impl Drop for Uri {
         }
     }
 }
+
+unsafe impl Send for Uri { }
+unsafe impl Sync for Uri { }