[PATCH 1/2] Bump to autoconf 2.69 and automake 1.15.1

[Nick Clifton]

Hi Simon,

> Go here:
> 
> https://sourceware.org/ml/gdb-patches/2018-06/msg00385.html

Ah - I only applies the second part of the patch:

  https://sourceware.org/ml/gdb-patches/2018-06/msg00386.html

Oops!

Cheers
  Nick