Extra const

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

diff --git a/pdns/dnsname.hh b/pdns/dnsname.hh
index 35bfbd4e0079bdc445372f1955c655f1076193e3..c86b17e9e04da36d6557a4250a62a0825c2b0351 100644 (file)
--- a/pdns/dnsname.hh
+++ b/pdns/dnsname.hh
@@ -60,7 +60,7 @@ inline unsigned char dns_tolower(unsigned char chr)
 }
 
 inline int pdns_ilexicographical_compare_three_way(std::string_view a, std::string_view b)  __attribute__((pure));
-inline int pdns_ilexicographical_compare_three_way(std::string_view a, std::string_view b)
+inline int pdns_ilexicographical_compare_three_way(const std::string_view a, const std::string_view b)
 {
   const unsigned char *aPtr = (const unsigned char*)a.data(), *bPtr = (const unsigned char*)b.data();
   const unsigned char *aEptr = aPtr + a.length(), *bEptr = bPtr + b.length();