Added 'config_verify_server_set' API function

app/src/main/cpp/baresip.c

@@ -1588,6 +1588,14 @@ JNIEXPORT void JNICALL Java_com_tutpro_baresip_Api_uag_1enable_1sip_1trace(
     uag_enable_sip_trace(enable);
 }
 
+JNIEXPORT void JNICALL Java_com_tutpro_baresip_Api_config_1verify_1server_1set(
+        JNIEnv *env, jobject thiz, jboolean verify)
+{
+    struct config *conf = conf_config();
+    LOGD("setting verify_server (%d)\n", verify);
+    conf->sip.verify_server = verify;
+}
+
 JNIEXPORT void JNICALL Java_com_tutpro_baresip_Api_net_1debug(JNIEnv *env, jobject thiz)
 {
     re_thread_enter();

app/src/main/kotlin/com/tutpro/baresip/Api.kt

@@ -109,6 +109,8 @@ object Api {
     external fun net_debug()
     external fun net_dns_debug()
 
+    external fun config_verify_server_set(verify: Boolean)
+
     external fun cmd_exec(cmd: String): Int
 
     external fun module_load(module: String): Int

app/src/main/kotlin/com/tutpro/baresip/ConfigActivity.kt

@@ -611,8 +611,8 @@ class ConfigActivity : AppCompatActivity() {
                 if (oldVerifyServer != verifyServer.isChecked) {
                     Config.replaceVariable("sip_verify_server",
                             if (verifyServer.isChecked) "yes" else "no")
+                    Api.config_verify_server_set(verifyServer.isChecked)
                     save = true
-                    restart = true
                 }
 
                 val newDisplayTheme = if (darkTheme.isChecked)