Add a third log output interface method

src/log.cpp

@@ -100,6 +100,7 @@ void log_printline(enum LogMessageLevel lev, const std::string &text)
 			i != log_outputs[lev].end(); i++){
 		ILogOutput *out = *i;
 		out->printLog(os.str());
+		out->printLog(os.str(), lev);
 		out->printLog(lev, text);
 	}
 }

src/log.h

@@ -41,6 +41,8 @@ class ILogOutput
 public:
 	/* line: Full line with timestamp, level and thread */
 	virtual void printLog(const std::string &line){};
+	/* line: Full line with timestamp, level and thread */
+	virtual void printLog(const std::string &line, enum LogMessageLevel lev){};
 	/* line: Only actual printed text */
 	virtual void printLog(enum LogMessageLevel lev, const std::string &line){};
 };