smartIndent.c: remove static

[Tony Balinski]

Quoting Scott Tringali <scott.tringali at totalviewtech.com>:

> That does sound familiar, but not in the context of nedit.  If it's a
> ANSI c89 feature then it's ok with me.  If we need a workaround, there
> are better way to code that (structure assignment or memcpy).

A single constant static or global "NO_TAG" noValue value could be copied to a
local variable whenever required.

Tony