Change param names for apr-iconv and apr-util to avoid ambiguity of -api.
Change param names for apr-iconv and apr-util to avoid ambiguity of -api.

* dist.sh
  s/api/apri/i
  s/apu/apru/i

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion