make (some) file-scope identifiers static #119
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According to
grep -ER 'fil_names|fil_number|fil_current|fil_handle' .none of those are in use in other source files.In theory all of the file-scope variables in this file should be static in the typical C style since there's no corresponding header, but I see that at least "dpy" is used elsewhere, so I didn't bother with that one and others before asking: are patches for code correctness and small style fixes accepted?