Don't redefine typedef names
Don't redefine typedef names

instead define the structs referred to by
 - SectionFormatInfo
 - ObjectCodeFormatInfo

that were only forward-declared earlier.

This fixes redefinition errors with gcc4.4

shlevy/ghc,ezyang/ghc,ezyang/ghc,shlevy/ghc,ezyang/ghc,ezyang/ghc,ezyang/ghc,sdiehl/ghc,ezyang/ghc,sdiehl/ghc,sdiehl/ghc,ezyang/ghc,shlevy/ghc,shlevy/ghc,shlevy/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,sdiehl/ghc,shlevy/ghc,shlevy/ghc