IMPALA-1066: Build with -no-strict-alias.

Change-Id: I2d9684b0d1f352cba27dff92273d93d60d8435c2
Reviewed-on: http://gerrit.ent.cloudera.com:8080/3336
Reviewed-by: Skye Wanderman-Milne <skye@cloudera.com>
Tested-by: jenkins