Ignore auto4mte.cache directory.


git-svn-id: https://svn.sourceforge.jp/svnroot/molds/branches/automake@1672 1136aad2-a195-0410-b898-f5ea1d11b9d8
Ignore autom4te.cache directory.


git-svn-id: https://svn.sourceforge.jp/svnroot/molds/branches/automake@1673 1136aad2-a195-0410-b898-f5ea1d11b9d8