CFontzPacket: Report cell size according to display type (used to calculate

hBar width). Use block charcter (31d) on displays which have it instead of
the custom icon. On seamless displays do not fill the last line to avoid the
character banging together.

server/drivers/CFontzPacket.h

@@ -3,7 +3,6 @@
 
 #include "lcd.h"
 
-#define DEFAULT_CELL_WIDTH	6
 #define DEFAULT_CELL_HEIGHT	8
 #define DEFAULT_CONTRAST	560
 #define DEFAULT_DEVICE		"/dev/lcd"
@@ -20,6 +19,7 @@
 typedef struct CFA_Model {
 	int model;
 	char *size;
+	int cell_width;
 	int speed;
 	const unsigned char *charmap;
 	int flags;