coroutine.js: use 'yield undefined' instead of 'yield'
authorJohn Foerch <jjfoerch@earthlink.net>
Fri, 8 Nov 2013 04:01:42 +0000 (23:01 -0500)
committerJohn Foerch <jjfoerch@earthlink.net>
Fri, 8 Nov 2013 04:01:42 +0000 (23:01 -0500)
commit48d195aa3441a607bfbbdc5b2bcbf98a6043dd01
tree94b8569e60cfb12156a5d4c868e70fb260bb2245
parentec7aa4a95c0ce2869964f68dfda2475311f34e81
coroutine.js: use 'yield undefined' instead of 'yield'

XULRunner 25 issues a style warning about this.  The 'yield' keyword
without a value is deprecated, for some good reason, I'm sure.
modules/coroutine.js