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-rw-r--r--vendor/github.com/miekg/dns/sanitize.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/vendor/github.com/miekg/dns/sanitize.go b/vendor/github.com/miekg/dns/sanitize.go
index c415bdd6c..cac15787a 100644
--- a/vendor/github.com/miekg/dns/sanitize.go
+++ b/vendor/github.com/miekg/dns/sanitize.go
@@ -5,6 +5,7 @@ package dns
// rrs.
// m is used to store the RRs temporary. If it is nil a new map will be allocated.
func Dedup(rrs []RR, m map[string]RR) []RR {
+
if m == nil {
m = make(map[string]RR)
}