osmo-ggsn: update libgtp-queue_depth_32.patch

Adjust to change in osmo-ggsn I6034b0fab2b2e5962314c2fca2f893246ce5cf4f
("libgtp: Define retransmit QUEUE_SIZE relative to PDP_MAX (increase)").

Set it to 128, as Pau suggested.

Fix for:
  Applying patch libgtp-queue_depth_32.patch
  patching file gtp/queue.h
  Hunk #1 FAILED at 19.

Change-Id: Ib8803fba7d1308042d12186009344b2a61abb6e3
3 files changed