simpler portable round()

Calling out lrintf() is probably kind of extreme...
adding half and truncating should be just fine.

Change-Id: Ifb22c1c1a9b764be153b769aad4671ca44311255
Reviewed-on: https://skia-review.googlesource.com/17708
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
1 file changed