backends/brass/brass_database.h: Remove method which is declared but
never defined.

git-svn-id: file:///home/xapian-svn/xapian/trunk@18230 6b2f1b92-a4f3-0310-943f-de3cbe41748b
common/internaltypes.h,configure.ac: Make uint2 available.

git-svn-id: file:///home/xapian-svn/xapian/trunk@18231 6b2f1b92-a4f3-0310-943f-de3cbe41748b