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.
(ambiguous_names_p): New fn.
(update_breakpoint_locations): When restoring bp enable status, don't
compare function names if any functions have same name.
* Makefile.in (breakpoint.o): Add hashtab.h dependency.
* gdb.cp/mb-inline.exp: New.
* gdb.cp/mb-inline.h: New.
* gdb.cp/mb-inline1.cc: New.
* gdb.cp/mb-inline2.cc: New.