gdb/:

gdb/:
* Makefile.in (gdbtk-wrapper.o): Update dependencies.
(gdbtk-varobj.o, gdbtk-cmds.o, gdbtk-stack.o): Likewise.

gdb/gdbtk/:
* generic/gdbtk-wrapper.c (GDB_varobj_update): New function.
(wrap_varobj_update): Likewise.
* generic/gdbtk-wrapper.h (GDB_varobj_update): New declaration.
* generic/gdbtk-varobj.c (variable_update): Call
GDB_varobj_update() rather than varobj_update() directly.  Take
the new semantics of the latter into account.
* generic/gdbtk-cmds.c: Include "varobj.h".
* generic/gdbtk-stack.c: Likewise.