Hi,
I even tried to use the LCD_5110_SPI library but I have the same problem. I don't get any functionality at all (same like with LCD_5110).
Of course I modified the LCD_5110_SPI_main.ino sketch as follows and I don't get any compile error or warning.
///
/// @mainpage Nokia LCD 5110 SPI
///
/// @details Library for Nokia 5110 LCD with hardware SPI
/// @n
/// @n
/// @n @a Developed with [embedXcode](http://embedXcode.weebly.com)
///
/// @author Rei VILO
/// @author embedXcode.weebly.com
/// @date Jan 12, 2013
/// @version 105
///
/// @copyright © Rei VILO, 2012
/// @copyright CC = BY NC S