Ignore unused parameter

diff --git a/src/dns/dnsresolver.cpp b/src/dns/dnsresolver.cpp
index 6a9cba5..3eda24a 100644 (file)
--- a/src/dns/dnsresolver.cpp
+++ b/src/dns/dnsresolver.cpp
@@ -210,7 +210,7 @@ bool DnsResolver::handle_ip_address()
             return true;
         }
     }
-    catch ( const boost::system::system_error & ex )
+    catch ( const boost::system::system_error & /*ex*/ )
     {
         GlobalLogger.info() << "Host is not an IP: " << HostDnsAddress << endl;
     }