Ensure that pie's legendWidth remains numeric.

Substitute zero when .width() returns undefined, since legendWidth is
used in numeric calculations that break when it is undefined.  This
became a problem with the release of jQuery 1.8.0, which returns
undefined instead of null when an element doesn't exist.  This was fixed
in 1.8.1, but this is good practice anyway.
pull/1/head
David Schnur 14 years ago
parent 4e38170f2a
commit 5951dcb03c

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