Add *.tap to CLEANFILES
Add *.tap to CLEANFILES

Otherwise, make preleasecheck will fail due to the extra test.tap
file.

git-svn-id: ae38cf1093b87151f738d2b2220cac7742ad2e55@889 64e312b2-a51f-0410-8e61-82d0ca0eb02a

lubosz/check,lubosz/check,lubosz/check,lubosz/check