change cert to com. no variable named cert.

node/Peer.cpp

@@ -407,7 +407,7 @@ bool Peer::validateAndSetNetworkMembershipCertificate(const RuntimeEnvironment *
 
 	// Check signature, log and return if cert is invalid
 	if (com.signedBy() != Network::controllerFor(nwid)) {
-		TRACE("rejected network membership certificate for %.16llx signed by %s: signer not a controller of this network",(unsigned long long)_id,cert.signedBy().toString().c_str());
+		TRACE("rejected network membership certificate for %.16llx signed by %s: signer not a controller of this network",(unsigned long long)_id,com.signedBy().toString().c_str());
 		return false; // invalid signer
 	}
 
@@ -416,7 +416,7 @@ bool Peer::validateAndSetNetworkMembershipCertificate(const RuntimeEnvironment *
 		// We are the controller: RR->identity.address() == controller() == cert.signedBy()
 		// So, verify that we signed th cert ourself
 		if (!com.verify(RR->identity)) {
-			TRACE("rejected network membership certificate for %.16llx self signed by %s: signature check failed",(unsigned long long)_id,cert.signedBy().toString().c_str());
+			TRACE("rejected network membership certificate for %.16llx self signed by %s: signature check failed",(unsigned long long)_id,com.signedBy().toString().c_str());
 			return false; // invalid signature
 		}
 
@@ -432,7 +432,7 @@ bool Peer::validateAndSetNetworkMembershipCertificate(const RuntimeEnvironment *
 		}
 
 		if (!com.verify(signer->identity())) {
-			TRACE("rejected network membership certificate for %.16llx signed by %s: signature check failed",(unsigned long long)_id,cert.signedBy().toString().c_str());
+			TRACE("rejected network membership certificate for %.16llx signed by %s: signature check failed",(unsigned long long)_id,com.signedBy().toString().c_str());
 			return false; // invalid signature
 		}
 	}