CDB: Fix loading of user scripts

Change-Id: I20008227fd73b16978d63b50c4b9a38c0b590f09
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/cdb/cdbengine.cpp

@@ -2977,7 +2977,7 @@ void CdbEngine::setupScripting(const DebuggerResponse &response)
 
     const QString path = stringSetting(ExtraDumperFile);
     if (!path.isEmpty() && QFileInfo(path).isReadable()) {
-        DebuggerCommand cmd("addDumperModule", ScriptCommand);
+        DebuggerCommand cmd("theDumper.addDumperModule", ScriptCommand);
         cmd.arg("path", path);
         runCommand(cmd);
     }