Fixed valgrind complaint in MatrixBench

Without this fix, valgrind complains of a jmp based on uninitialized memory in the mapRect call

[reed1, 2012-09-17 12:30:35]

https://codereview.appspot.com/6492129/diff/1/bench/MatrixBench.cpp
File bench/MatrixBench.cpp (right):

https://codereview.appspot.com/6492129/diff/1/bench/MatrixBench.cpp#newcode368
bench/MatrixBench.cpp:368: }
// comment on why 0,0,10,10 ?

[robertphillips, 2012-09-17 12:32:31]

https://codereview.appspot.com/6492129/diff/1/bench/MatrixBench.cpp
File bench/MatrixBench.cpp (right):

https://codereview.appspot.com/6492129/diff/1/bench/MatrixBench.cpp#newcode368
bench/MatrixBench.cpp:368: }
Random, valid, small rect. I figured anything would work and I thought this was
better than all zeros. Is there a better value?

[robertphillips, 2012-09-17 12:42:37]

PTAL

[reed1, 2012-09-17 12:43:59]

lgtm w/ SkIntToScalar nit

https://codereview.appspot.com/6492129/diff/3002/bench/MatrixBench.cpp
File bench/MatrixBench.cpp (right):

https://codereview.appspot.com/6492129/diff/3002/bench/MatrixBench.cpp#newcod...
bench/MatrixBench.cpp:388: // an arbitrary, small, non-zero rect to transform
SkIntToRect(10)

[robertphillips, 2012-09-17 13:37:20]

committed as r5566

https://codereview.appspot.com/6492129/diff/3002/bench/MatrixBench.cpp
File bench/MatrixBench.cpp (right):

https://codereview.appspot.com/6492129/diff/3002/bench/MatrixBench.cpp#newcod...
bench/MatrixBench.cpp:388: // an arbitrary, small, non-zero rect to transform
On 2012/09/17 12:43:59, reed1 wrote:
> SkIntToRect(10)

Done.