Need a .gitignore fix on master

[Salz, Rich via openssl-users]

    >; git status
    >On branch master
    >Your branch is up-to-date with 'origin/master'.
    >Untracked files:
    >  (use "git add <file>..." to include in what will be committed)
    >
    >                include/openssl/opensslv.h
    >
    >nothing added to commit but untracked files present (use "git add" to
    >track)
    >;