This patch corrects defects in MIT contributed software: 2rtf and neos. Manifest: contrib/mit/2rtf/2rtf.h (patch) don't redclare malloc and calloc on rs6k contrib/mit/neos/eosfx.c (patch) do not pre-declare macro functions that are later redeclared on solaris contrib/mit/neos/papers.c (patch) do not redeclare index (done for SYSV, though only tested on Soalris)