message: Add missing string assignment.
diff: @@ -6961,7 +6961,7 @@ std::string VulkanHppGenerator::generateRAIIHandleCommandVoid( std::map<std::str
  {
  if ( vectorParams.empty() )
  {
  - generateRAIIHandleCommandEnhanced( commandIt, initialSkipCount, returnParams, vectorParams, definition, false, false );
  + str = generateRAIIHandleCommandEnhanced( commandIt, initialSkipCount, returnParams, vectorParams, definition, false, false );
  }
  }
  else
  