Fix docs to match the current build process for libgit2
Fix docs to match the current build process for libgit2

tpickett66/rugged,tpickett66/rugged,Acidburn0zzz/rugged,spraints/rugged,libgit2/rugged,tpickett66/rugged,saraid/rugged,libgit2/rugged,saraid/rugged,Acidburn0zzz/rugged,libgit2/rugged,spraints/rugged,Acidburn0zzz/rugged,saraid/rugged