Reviewed-by: hjk

warnings

Somehow, some gdb define a string with the name 'gdb' and we can't
find where. But be on the safe side and use the builtin function
always.

Reviewed-By: hjk

Functionality has been moved back to the plugin for now.

Happens e.g. in gdb sources itself: cp_canonicalize_string in cp-support.c

Hidden in the Breakpoints context menu.