firefox 15.0.1 : adobe flash plugin stopped working

[Mayuresh <mayuresh%acm.org@localhost>]

After an upgrade from 15 to 15.01 firefox shows following error on the
terminal:

LoadPlugin: failed to initialize shared library
/usr/pkg/lib/netscape/plugins/libflashplayer.so [Shared object
"libgthread-2.0.so.0" not found]

I find that above library is present in both /usr/pkg/lib and
/emul/linux/usr/lib.

So what could this error mean?


I am on NetBSD 6.0 rc1 i386.

Mayuresh