[PATCH] libstdc++: Fix parameter name in map/set printer num_children

[Tom Tromey]

>>>>> "david" == david faure <david.faure@kdab.com> writes:

David> StdMapPrinter.num_children and StdSetPrinter.num_children name their
David> parameter 'slf' but refer to 'self' in the body, so any call raises
David> "NameError: name 'self' is not defined".

Thanks, FWIW this looks good to me; and though I can't speak for GCC, at
least in gdb this would be considered obvious.  Also, sorry about the
breakage.

Tom