Create nonPOD before setjmp.

With PNGAutoClean created after setjmp, when longjmp is called its destructor
is never called. Create it before setjmp, ensuring that its destructor is
called.

R=mtklein@google.com

Review URL: https://codereview.chromium.org/65283002

git-svn-id: http://skia.googlecode.com/svn/trunk@12238 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed