* plugin.cpp: Intent to use the definition in ctrace.h.
(includes): Add ctrace.h
(defines): Define CTRACE_THREAD_SUPPORTED to make the size of
the struct as large as possible.
(global decls): print_generic_stmt to print statments.
(build_type): Make use of the struct defined in ctrace.h.
Dump to dump_file only if it is not null.
(build_function_decl): Make the parameter decl const char *.
Dump to dump_file only if it is not null.
(make_fname_decl): Make function name var unique to function.
(execute_trace): Dump to dump_file only if it is not null.
runtime.cpp: Make runtime compiles.