[PATCH, java, fortran] Merge help texts for duplicate options.

[Andrew Haley]

Ralf Wildenhues wrote:
> Ping <http://gcc.gnu.org/ml/gcc-patches/2009-03/msg00014.html>
> 
> * Ralf Wildenhues wrote on Sun, Mar 01, 2009 at 08:16:46AM CET:
>> Currently, some switches are documented more than once.  The opt*.awk
>> machinery currently picks one arbitrarily, for -v --help output (see
>> the other patch on gcc-patches that ensures that at least one of them
>> is picked).

OK for Java.

Andrew.