angular-ui/bootstrap — pull request #598 by lymanlai (2013-07-01 01:03:39+00:00)
Title: some times seems the activeBackdrops.value will be -1, so change the code to fix it. or, it will without the backdrop after the second time call the dialog

some times seems the activeBackdrops.value will be -1, so change the code to fix it.
or, it will without the backdrop after the second time call the dialog