Fix some other warnings

Author: hhvrc

src/CommandHandler.cpp

@@ -134,7 +134,10 @@ bool _internalSetKeepAliveEnabled(bool enabled)
     OS_LOGV(TAG, "Disabling keep-alive task");
     if (s_keepAliveTaskHandle != nullptr && s_keepAliveQueue != nullptr) {
       // Wait for the task to stop
-      KnownShocker cmd {.killTask = true};
+      KnownShocker cmd;
+      memset(&cmd, 0, sizeof(cmd));
+      cmd.killTask = true;
+
       while (eTaskGetState(s_keepAliveTaskHandle) != eDeleted) {
         vTaskDelay(pdMS_TO_TICKS(10));
 

src/radio/RFTransmitter.cpp

@@ -122,7 +122,10 @@ void RFTransmitter::destroy()
     OS_LOGD(TAG, "[pin-%hhi] Stopping task", m_txPin);
 
     // Wait for the task to stop
-    Command cmd {.flags = kFlagDeleteTask};
+    Command cmd;
+    memset(&cmd, 0, sizeof(cmd));
+    cmd.flags = kFlagDeleteTask;
+
     while (eTaskGetState(m_taskHandle) != eDeleted) {
       vTaskDelay(pdMS_TO_TICKS(10));