fix cssmin issue: surrounding @ names with double quotes (W3C invalid and breaks animations on Firefox)

seet http://code.google.com/p/cssmin/issues/detail?id=48

git-svn-id: http://piwigo.org/svn/trunk@25838 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
mistic100 2013-12-07 22:36:24 +00:00
parent bb18b42a10
commit 19b9fafb05

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