Java: Fix JDK6 on Xorg

Locking assertion failure. Example: Linux + JDK6 + Netbeans.

Try this as root:

export LIBXCB_ALLOW_SLOPPY_LOCK=true

Or this:

sed -i 's/XINERAMA/FAKEEXTN/g' /opt/java/jre/lib/i386/xawt/libmawt.so

Or:

export LIBXCB_ALLOW_SLOPPY_LOCK=1