Image filter: compare aspect ratio more accurately during crop.

Previously used fixed-point calculation caused wrong code path selection
in some cases, resulting in incorrect image size.

See here for report:
http://mailman.nginx.org/pipermail/nginx-devel/2012-April/002123.html
1 file changed
tree: 4e7e2c59961e062ef8a0ec630ef421c6f64c8feb
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags