ports/132438: upgrade net/tightvnc

[Tsurutani Naoki]

I'm very sorry.
Please remove the following lines from the patch I posted:
in Makefile,
---
@@ -51,6 +50,7 @@
 #.include <bsd.port.pre.mk>
+MAKE_ENV        += "HasFfsl=yes"
 .if exists(${LOCALBASE}/share/vnc/classes/index.vnc)
 IGNORE=         vnc has already been installed, please uninstall it first
 .endif
---

---
Tsurutani Naoki
turutani at scphys.kyoto-u.ac.jp