* gdb.fortran/subarray.exp: Use standard_testfile,

	* gdb.fortran/subarray.exp: Use standard_testfile,
	prepare_for_testing.
	* gdb.fortran/multi-dim.exp: Use standard_testfile.
	* gdb.fortran/module.exp: Use standard_testfile.
	* gdb.fortran/logical.exp: Use standard_testfile.
	* gdb.fortran/library-module.exp: Use standard_testfile,
	standard_output_file.
	* gdb.fortran/derived-type.exp: Use standard_testfile,
	prepare_for_testing.
	* gdb.fortran/complex.exp: Use standard_testfile,
	prepare_for_testing.
	* gdb.fortran/charset.exp: Use standard_testfile.
	* gdb.fortran/array-element.exp: Use standard_testfile,
	prepare_for_testing.