Change forward declaration to fix warning about mismatch

plugins/samplemimo/limesdrmimo/limesdrmimo.h

@@ -34,7 +34,7 @@ class QNetworkReply;
 class DeviceAPI;
 class LimeSDRMIThread;
 class LimeSDRMOThread;
-class DeviceLimeSDRParams;
+struct DeviceLimeSDRParams;
 
 class LimeSDRMIMO : public DeviceSampleMIMO {
     Q_OBJECT

plugins/samplemimo/xtrxmimo/xtrxmimo.h

@@ -33,7 +33,7 @@ class QNetworkReply;
 class DeviceAPI;
 class XTRXMIThread;
 class XTRXMOThread;
-class DeviceLimeSDRParams;
+struct DeviceLimeSDRParams;
 
 #endif // PLUGINS_SAMPLEMIMO_XTRXMIMO_XTRXMIMO_H_