fix format specifier for size_t

Co-authored-by: Otto Moerbeek <otto.moerbeek@open-xchange.com>

diff --git a/pdns/dnspcap.cc b/pdns/dnspcap.cc
index 669faea87ee1b99766f586fb92a515f1328d728a..c72c3d7538a75c6d0a46cf02980e837030825323 100644 (file)
--- a/pdns/dnspcap.cc
+++ b/pdns/dnspcap.cc
@@ -94,7 +94,7 @@ try
 
     if(d_pheader.caplen > d_bufsize) {
       d_oversized++;
-      throw runtime_error((boost::format("Can't handle a %d byte packet, have space for %d")  % d_pheader.caplen % d_bufsize).str());
+      throw runtime_error((boost::format("Can't handle a %d byte packet, have space for %zu")  % d_pheader.caplen % d_bufsize).str());
     }
 
     checkedFreadSize(d_buffer, d_pheader.caplen);