[education/rkward] rkward/rbackend/rkwarddevice: ... and fix the bug that was hidden by the previous bug.

[Thomas Friedrichsmeier]

Git commit 53788bd98a0bc15f2a4082cbceeff027f5ade434 by Thomas Friedrichsmeier.
Committed on 23/03/2022 at 18:10.
Pushed by tfry into branch 'master'.

... and fix the bug that was hidden by the previous bug.

M  +1    -1    rkward/rbackend/rkwarddevice/rkgraphicsdevice_stubs.cpp

https://invent.kde.org/education/rkward/commit/53788bd98a0bc15f2a4082cbceeff027f5ade434

diff --git a/rkward/rbackend/rkwarddevice/rkgraphicsdevice_stubs.cpp b/rkward/rbackend/rkwarddevice/rkgraphicsdevice_stubs.cpp
index 2f531ac6..63beb698 100644
--- a/rkward/rbackend/rkwarddevice/rkgraphicsdevice_stubs.cpp
+++ b/rkward/rbackend/rkwarddevice/rkgraphicsdevice_stubs.cpp
@@ -432,7 +432,7 @@ static void RKD_Close (pDevDesc dev) {
 		delete static_cast<RKGraphicsDeviceDesc*> (dev->deviceSpecific);
 	}
 	{
-		RKGraphicsDataStreamWriteGuard rguard;
+		RKGraphicsDataStreamReadGuard rguard;
 		qint8 dummy;
 		RKD_IN_STREAM >> dummy;
 	}