rec 4.4.x codebase is not c++17, so don't use static_assert with 1 arg.

diff --git a/pdns/filterpo.cc b/pdns/filterpo.cc
index 6a92b07456b283b49372f2ddfe7121022b4cb510..c8144474675a3bb57b452a8030fb03e8f0d106af 100644 (file)
--- a/pdns/filterpo.cc
+++ b/pdns/filterpo.cc
@@ -697,7 +697,7 @@ DNSName DNSFilterEngine::Zone::maskToRPZ(const Netmask& nm)
   }
   else {
     DNSName temp;
-    static_assert(sizeof(addr.sin6.sin6_addr.s6_addr) == sizeof(uint16_t) * 8);
+    static_assert(sizeof(addr.sin6.sin6_addr.s6_addr) == sizeof(uint16_t) * 8, "wrong sizeof(s6_addr)");
     auto src = reinterpret_cast<const uint16_t*>(&addr.sin6.sin6_addr.s6_addr);
     std::array<uint16_t,8> elems;