Added a line to ensure that linear filter option is initialized at startup for Qt gui.

src/drivers/Qt/ConsoleViewerGL.cpp

@@ -40,6 +40,8 @@ ConsoleViewGL_t::ConsoleViewGL_t(QWidget *parent)
 		memset( localBuf, 0, localBufSize );
 	}
 
+   linearFilter = false;
+
    if ( g_config )
    {
       int opt;

src/drivers/Qt/ConsoleViewerSDL.cpp

@@ -47,6 +47,8 @@ ConsoleViewSDL_t::ConsoleViewSDL_t(QWidget *parent)
 		memset( localBuf, 0, localBufSize );
 	}
 
+   linearFilter = false;
+
    if ( g_config )
    {
       int opt;