Two modifications: 1. The addition of 2013 to the copyright year range for every file; 2. The use of a single year range, instead of potentially multiple year ranges, as approved by the FSF.
gdb/ChangeLog: Copyright year update in most files of the GDB Project.
Yao Qi <yao@codesourcery.com> * tracepoint.c (start_tracing): Clear `inserted' flag. 2011-12-10 Yao Qi <yao@codesourcery.com> * gdb.trace/status-stop.exp: New. * gdb.trace/status-stop.c: New.