Fix compile warning.
authorhkuang <hkuang@google.com>
Sat, 20 Sep 2014 05:47:28 +0000 (22:47 -0700)
committerhkuang <hkuang@google.com>
Sat, 20 Sep 2014 05:48:38 +0000 (22:48 -0700)
commitdb71c1bd554f9407a3f3ed1daac7232e246e683d
treeb310412880c53c98141c8546f58d786e58c42b3f
parentc70cea97acd577f17f88394da2c76f693ee67c75
Fix compile warning.

warning: comparison between signed and unsigned integer expressions.

Change-Id: Ib6ee7500fe910983f290fc321ad89c0ab9989455
test/convolve_test.cc