conflicting types in jv-lang.{c,h} (AIX 4.3.2 and gdb-4.17.87)

[Per Bothner]

Thanks.  Actually, I think it is better to just remove the declaration
of dynamics_objfile in jv-lang.h.

	--Per Bothner
Cygnus Solutions     bothner@cygnus.com     http://www.cygnus.com/~bothner