[7u4] Request for phase 2 approval for CR 7150516 - [macosx] appletviewer shouldn't link against libX11 on the Mac

[Anthony Petrov]

Bug: http://bugs.sun.com/view_bug.do?bug_id=7150516
Webrev: 
http://cr.openjdk.java.net/~anthony/x-22-appletviewerLibX11-7150516.0/
Review thread:
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-March/003457.html
Reviewer: Mike Swingler (swingler)

Rationale for inclusion in 7u4: X11 is an optional package on Mac OS X. 
Since OpenJDK on the Mac uses Cocoa for GUI, the tools shouldn't link 
against an unused GUI library. With this fix we eliminate the dependency 
on the libX11 library.

--
best regards,
Anthony