ticket:9710: fixed U_PLATFORM on darwin. also added U_PF_BSD to the  debug printf while at it.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34158 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9741: trivial fix to header, u_strcoll -> ucol_strcoll


git-svn-id: http://source.icu-project.org/repos/icu/icu@34159 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: CollationFastLatin::compareUTF8()

git-svn-id: http://source.icu-project.org/repos/icu/icu@34160 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: support Collator::compareUTF8(const char *) in the base class, call that from ucol_strcollUTF8()

git-svn-id: http://source.icu-project.org/repos/icu/icu@34162 251d0590-4201-4cf1-90de-194747b24ca1