Declare lz_enter_rr_into_zone() static, it's only used in this file.
Pointed out by clang with -Wmissing-prototypes
@@ -518,7 +518,7 @@ local_zone_enter_rr(struct local_zone* z, uint8_t* nm, size_t nmlen,
}
/** enter data RR into auth zone */
-int
+static int
lz_enter_rr_into_zone(struct local_zone* z, const char* rrstr)
{
uint8_t* nm;
