message: micro: fix formatting error in edit of op FILL
  Fix a trivial formatting error in edit of op FILL that causes
  pre-merge checks to fail.
diff: @@ -85,8 +85,7 @@ TfLiteStatus Eval(TfLiteContext* context, TfLiteNode* node) {
  break;
  default:
  TF_LITE_KERNEL_LOG(
  - context,
  - "Fill only currently supports float32 for input 1, got %d.",
  + context, "Fill only currently supports float32 for input 1, got %d.",
  TfLiteTypeGetName(value->type));
  return kTfLiteError;
  }
  