upgpkg: aria2 1.18.7-2

apply upstream fix for https://github.com/tatsuhiro-t/aria2/issues/265


git-svn-id: file:///srv/repos/svn-community/svn@116411 9fca08f4-af9d-4005-b8df-a31f2cc04f65
archrelease: copy trunk to community-i686, community-x86_64

git-svn-id: file:///srv/repos/svn-community/svn@116412 9fca08f4-af9d-4005-b8df-a31f2cc04f65