lib32/shell32.def: add missing SHValidateUNC@12 for bug #380

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6484 4407c894-4637-0410-b4f5-ada5f102cad1
winpthreads: upgrade libtool to 2.4.2.444.28-053d

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6485 4407c894-4637-0410-b4f5-ada5f102cad1
winpthreads: upgrade libtool to 2.4.2.444.28-053d

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6486 4407c894-4637-0410-b4f5-ada5f102cad1
Fix


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6487 4407c894-4637-0410-b4f5-ada5f102cad1
Correct copyright-year


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6488 4407c894-4637-0410-b4f5-ada5f102cad1