[ping] Couple of old patches

[Eric Botcazou]

Fix -mlongcall with nested functions on AIX:
  https://gcc.gnu.org/ml/gcc-patches/2014-10/msg01692.html

Fix handling of inlining and nested functions in dwarf2out.c:
  https://gcc.gnu.org/ml/gcc-patches/2014-11/msg00665.html

Thanks in advance.

-- 
Eric Botcazou