[8u60] Code Review Request For RT-30193: PrismSettings minTextureSize does not work

[Chien Yang]

Hi Jim and Kevin,

Please review this fix:
JIRA: https://javafx-jira.kenai.com/browse/RT-30193
Webrev: http://cr.openjdk.java.net/~ckyang/RT-30193/webrev.00/

Thanks,
- Chien