third_party/fastfeat/fast_9.c: In function ‘fast9_score’:
‘for’ clause does not guard... [-Wmisleading-indentation]
     for(n=0; n < num_corners; n++)
     ^~~
third_party/fastfeat/fast_9.c:2972:2: note: ...this statement, but the
latter is misleadingly indented as if it is guarded by the ‘for’
  return scores;
  ^~~~~~

Change-Id: Ie35cedd8a647a699c97066b930efd261d6906162