Add missing flags to result_ptr.
Pass along any errors caused by getting the list of files from
tcl.
Allocate correct amount of memory for the file list.
Don't do any unecessary cleanups.
* Moved gdbtk_hooks.c & gdbtk_cmds.c to gdbtk-hooks.c &
gdbtk-cmds.c to comply with the gdb conventions. Changed the
configure & makefile to reflect the change...