upgpkg: glibc 2.20-2

add a few upstream patches, make sure ldconfig has run

git-svn-id: file:///srv/repos/svn-packages/svn@221646 eb2447ed-0c53-47e4-bac8-5bc4a241df78
archrelease: copy trunk to testing-i686, testing-x86_64

git-svn-id: file:///srv/repos/svn-packages/svn@221647 eb2447ed-0c53-47e4-bac8-5bc4a241df78