message: Fix schema-code mismatch
diff: }
  },
  "preferredGenerator": {
  + "type": "object",
  + "description": "Set a preferred CMake generator for this Kit",
  + "properties": {
  + "name": {
  + "type": "string",
  + "description": "Name of the generator to use"
  + },
  + "platform": {
  + "type": "string",
  + "description": "CMake platform for -A argument"
  + },
  + "toolset": {
  "type": "string",
  - "description": "Set a preferred CMake generator for this Kit"
  + "description": "CMake toolset for -T argument"
  + }
  + },
  + "required": [
  + "name"
  + ]
  }
  }
  },
  