[gfortran] patch: fix COMMON vars in module

[Paul Brook]

> This two-line patch fixes this, built and tested on i686-pc-linux.
> Testcase is also ready for adding to the testsuite.
>
> - Tobi
>
> 2004-07-10  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
>
> 	* trans-decl.c (gfc_create_module_variable): Nothing to do if
> 	symbol is in common, because we ...
> 	(gfc_generate_module_vars): Call gfc_trans_common.

Ok, after you fix the testcase:)

Paul