[PATCH v3] Set emacs default mode for the GDB directory to C++

[Antoine Tremblay]

Pedro Alves writes:

> On 12/19/2016 12:23 PM, Antoine Tremblay wrote:
>> * In this v3:
>> The namespace indent should be 0 (no indent) rather then [0] (indent to column 0)
>> fixed that.
>> OK with that change ?
>
> OK.

Pushed in, thx.