ticket:10258: Free minus sign and plus sign set in a clean up function.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34045 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: CollationFastLatinBuilder

git-svn-id: http://source.icu-project.org/repos/icu/icu@34046 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: fast Latin: give digits long mini primaries if there is a short-primary overflow

git-svn-id: http://source.icu-project.org/repos/icu/icu@34047 251d0590-4201-4cf1-90de-194747b24ca1