[RFC] vim-patch:7.4.302

Merging vim-patch:7.4.302

Problem:    Signs placed with 'foldcolumn' set don't show up after filler
            lines.
Solution:   Take filler lines into account. (Olaf Dabrunz)

https://code.google.com/p/vim/source/detail?r=df141c80ea3a1ffcbf82d05c1314675231fcfa75