Fix InternalFormatString so the following isnt needed...

[todo]

AROS/workbench/libs/locale/formatstring.c

Lines 632 to 637 in 24e77f1

	// TODO: Fix InternalFormatString so the following isnt needed...
	if ((indexSize == 0) && (retval != dataStream))
	{
	bug("[locale] %s: fixup retval for fmt with 0 args (0x%p -> 0x%p)\n", __func__, retval, dataStream);
	bug("[locale] %s: InternalFormatString returned wrong value - DEBUG!\n", __func__);
	}

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This issue was generated by todo based on a TODO comment in 24e77f1 when #502 was merged. cc @Kalamatee.