Fix problem with long lines getting clipped

Line length calculations were incorrectly taking the space used up by
the file list into account when calculating available space. This led
to long lines being clipped, leaving white space on the right of the
line instead of text being printed.

StdFont.cpp

@@ -1001,7 +1001,7 @@ void RFont::DrawColouredText(const char *a_pccText, TInt a_iStartOffset, TInt a_
 		XPixels = TextWidthInPixels(LineText);
 		XPosition = (m_iXOffset + XPixels);
 
-		if (XPosition > m_iClipWidth)
+		if (XPixels > m_iClipWidth)
 		{
 			break;
 		}