ticket:10439: fix sprintf(%s,NULL)

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34469 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10439: add volatile as per StackOverflow:2219829 to work around what seems to be an optimizer bug in GCC -m32 (at least GCC 4.4.7 and 4.8.1) - revisit in ticket:10420 and ilk.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34471 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10442: Move deprecated listFormatter methods back to draft ICU 50.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk/source@34473 251d0590-4201-4cf1-90de-194747b24ca1