Fix problems with missing safety checks in Render::fillBuffer and pdfcomic

YACReaderLibrary/server/lib/bfLogging/dualfilelogger.cpp

@@ -0,0 +1,20 @@
+/**
+  @file
+  @author Stefan Frings
+*/
+
+#include "dualfilelogger.h"
+
+
+DualFileLogger::DualFileLogger(QSettings* firstSettings, QSettings* secondSettings, const int refreshInterval, QObject* parent)
+    :Logger(parent)
+{
+     firstLogger=new FileLogger(firstSettings, refreshInterval, this);
+     secondLogger=new FileLogger(secondSettings, refreshInterval, this);
+}
+
+
+void DualFileLogger::log(const QtMsgType type, const QString& message) {
+    firstLogger->log(type, message);
+    secondLogger->log(type, message);
+}