scimoz: support building on mozilla 31

(integrated from komodo (trunk) change 84841 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14331 b87d16e7-d29f-4ee1-b5ec-817d645d335f
build: support mozilla 31

(integrated from komodo (trunk) change 84842 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14332 b87d16e7-d29f-4ee1-b5ec-817d645d335f