[Ohrrpgce] SVN: teeemcee/7532 Improve the error message shown by unlump/unlumpfile to suggest unlump -

[subversion at HamsterRepublic.com]

teeemcee
2015-11-11 07:32:12 -0800 (Wed, 11 Nov 2015)
205
Improve the error message shown by unlump/unlumpfile to suggest unlump --recover or simply ignoring the error

But the improved error message isn't shown if extract_lump couldn't open the
destination file.
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U   wip/lumpfile.bas