Fix some compiler warnings.
Fix some compiler warnings.

* test/test_buckets.c
  (deflate_buckets): Initialize local variables.
  (create_gzip_deflate_bucket): Move all declarations to the top.
  (test_deflate_4GBplus_buckets): Use large enough memory for the expected
      size value.

Manouchehri/serf,Manouchehri/serf,liuzongquan/serf,wzugang/serf,justinweb/serf,TommyU/serf,muthusuba/serf,sworda/serf,krime/serf,blueszhangsh/serf,wzugang/serf,muthusuba/serf,Manouchehri/serf,justinweb/serf,liuzongquan/serf,TommyU/serf,TommyU/serf,sworda/serf,krime/serf,krime/serf,blueszhangsh/serf,sworda/serf,liuzongquan/serf,liuzongquan/serf,justinweb/serf,muthusuba/serf,idomon/serf,blueszhangsh/serf,idomon/serf,muthusuba/serf,TommyU/serf,wzugang/serf,justinweb/serf,wzugang/serf,blueszhangsh/serf,idomon/serf,Manouchehri/serf,idomon/serf,krime/serf,sworda/serf