vim-patch:7.4.533

Problem:    ":hardcopy" leaks memory in case of errors.
Solution:   Free memory in all code paths. (Christian Brabandt)

https://code.google.com/p/vim/source/detail?r=v7-4-533
Merge pull request #1757 from oni-link/vim-7.4.533

vim-patch:7.4.533