ios: Initialize members

Change-Id: I01cbbbfa9e8906768cc71d1c5b0d366d99924c7f
Reviewed-by: hjk <hjk@qt.io>

src/plugins/ios/iosdevice.h

@@ -78,7 +78,7 @@ protected:
     IosDevice();
     IosDevice(const IosDevice &other);
     Dict m_extraInfo;
-    bool m_ignoreDevice;
+    bool m_ignoreDevice = false;
     mutable quint16 m_lastPort;
 };