Staticized it in userconfig. The one in pcvt is unused. Removed bogus unused arg to getchar(). This should not have compiled in the USERCONFIG_BOOT case, but the getchar() was also non-prototyped and defined in K&R style. Staticized the badly named global variable `next'. Even static variables should have a unique module-specific prefix so that they can be referenced easily in debuggers, etc.
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freebsd kernel with SKQ
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