Andrew Nacin 869f8217ff Replace commas with periods when converting ratings float values to strings, to avoid issues with localized decimal points.
In these cases, we want a period because it is going to be used by CSS.

props SergeyBiryukov.
fixes #19593.



git-svn-id: https://develop.svn.wordpress.org/trunk@20675 602fd350-edb4-49c9-b593-d223f7449a82
2012-05-01 22:09:55 +00:00
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