GH 109: Bug in SMTPClientSession::loginUsingPlain

- fixed GH# 109: Bug in Poco::Net::SMTPClientSession::loginUsingPlain

CHANGELOG

@@ -15,6 +15,7 @@ Release 1.5.2 (2013-03-??)
 - fixed GH #110: WebSocket accept() fails when Connection header contains multiple tokens
 - fixed GH# 71: WebSocket and broken Timeouts (POCO_BROKEN_TIMEOUTS)
 - fixed a warning in Poco/Crypto/OpenSSLInitializer.h
+- fixed GH# 109: Bug in Poco::Net::SMTPClientSession::loginUsingPlain
 
 Release 1.5.1 (2013-01-11)
 ==========================

Net/src/SMTPClientSession.cpp

@@ -230,7 +230,7 @@ void SMTPClientSession::loginUsingPlain(const std::string& username, const std::
 {
 	std::ostringstream credentialsBase64;
 	Base64Encoder credentialsEncoder(credentialsBase64);
-	credentialsEncoder << username << '\0' << password;
+	credentialsEncoder << '\0' << username << '\0' << password;
 	credentialsEncoder.close();
 
 	std::string response;