message: Fixed typo.
  Fix for issue 1982 (Typo in onClose definition resulting in compilation error)
diff: @@ -1120,7 +1120,7 @@ declare module "native-base" {
  position?: "top" | "bottom" | "center";
  type?: "danger" | "success" | "warning";
  duration?: number;
  - onClose?: (reason: "user" | "timeout") => any;;
  + onClose?: (reason: "user" | "timeout") => any;
  textStyle?: ReactNative.TextStyle;
  buttonTextStyle?: ReactNative.TextStyle;
  buttonStyle?: ReactNative.ViewStyle;
  