fix(ok_http): trust manager init (#1830)

Author: denysvitali

pkgs/ok_http/CHANGELOG.md

@@ -7,6 +7,7 @@
 - `OKHttpClient` supports client certificates.
 - Support `package:web_socket` 1.0.0.
 - Set `minSdk=24`.
+- Add a missing call to `TrustManagerFactory.init`.
 
 ## 0.1.0
 

pkgs/ok_http/lib/src/ok_http_client.dart

@@ -260,9 +260,10 @@ class OkHttpClient extends BaseClient {
       if (!configuration.validateServerCertificates) {
         trustManagers[0] = _allAllTrustManager;
       } else {
-        final tms = bindings.TrustManagerFactory.getInstance(
-                bindings.TrustManagerFactory.getDefaultAlgorithm())!
-            .getTrustManagers()!;
+        final tmf = bindings.TrustManagerFactory.getInstance(
+            bindings.TrustManagerFactory.getDefaultAlgorithm())!
+          ..init(null);
+        final tms = tmf.getTrustManagers()!;
         if (tms.length != 1) {
           throw StateError('unexpected XXX');
         }