depends: fix typo in source downloading. Regression from c897b1e732.

Some sources are renamed after download, since the filenames don't play nice
with (for example) gitian. This fixes the rename.

Needed for OSX build as it renames a file.
travis: add osx build
Merge pull request #4843

81061ff travis: add osx build (Cory Fields)
e4cf9f8 depends: fix typo in source downloading. Regression from c897b1e732. (Cory Fields)
[Qt] copyright, style and indentation cleanup of Qt tests
Merge pull request #4850

1ffb99b [Qt] copyright, style and indentation cleanup of Qt tests (Philip Kaufmann)
Improve readability of CAddrInfo::IsTerrible

- Replaced 86400 with 24*60*60
- Remove references to specific timespans in comments

Github-Pull: #4724
Fix make_change to not create half-satoshis
Merge pull request #4836 from morcos/fix-make_change

Fix make_change to not create half-satoshis
Merge remote-tracking branch 'bitcoin/master'