comms/qico: unbreak on 12.0 after base r308264

In file included from gmtoff.c:7:
In file included from ./headers.h:51:
./replace.h:14:14: error: expected identifier or '('
extern char *basename (const char *filename);

^

/usr/include/libgen.h:60:21: note: expanded from macro 'basename'
#define basename(x) generic(x, const char *, old_basename, basename)(x)

^

/usr/include/sys/cdefs.h:337:2: note: expanded from macro '__generic'

_Generic(expr, t: yes, default: no)
^

Reported by: pkg-fallout