Fix showing calibration results.

Messages:
_i("XYZ calibration failed. Bed calibration point was not found.")
_T(MSG_BED_SKEW_OFFSET_DETECTION_FITTING_FAILED);
_i("XYZ calibration failed. Front calibration points not reachable.")
_i("XYZ calibration failed. Right front calibration point not reachable.")
_i("XYZ calibration failed. Left front calibration point not reachable.");
were never shown.
Fix compiler warnings:
sketch/ultralcd.cpp:3476:19: warning: comparison is always false due to limited range of data type [-Wtype-limits]
sketch/ultralcd.cpp:3478:26: warning: comparison is always false due to limited range of data type [-Wtype-limits]

Firmware/ultralcd.cpp

@@ -3470,7 +3470,7 @@ int8_t lcd_show_fullscreen_message_yes_no_and_wait_P(const char *msg, bool allow
 	}
 }
 
-void lcd_bed_calibration_show_result(uint8_t result, uint8_t point_too_far_mask)
+void lcd_bed_calibration_show_result(BedSkewOffsetDetectionResultType result, uint8_t point_too_far_mask)
 {
     const char *msg = NULL;
     if (result == BED_SKEW_OFFSET_DETECTION_POINT_NOT_FOUND) {

Firmware/ultralcd.h

@@ -5,6 +5,7 @@
 #include "lcd.h"
 #include "conv2str.h"
 #include "menu.h"
+#include "mesh_bed_calibration.h"
 
 extern int lcd_puts_P(const char* str);
 extern int lcd_printf_P(const char* format, ...);
@@ -143,7 +144,7 @@ extern const char* lcd_display_message_fullscreen_P(const char *msg);
   #endif
 
   // Show the result of the calibration process on the LCD screen.
-  extern void lcd_bed_calibration_show_result(uint8_t result, uint8_t point_too_far_mask);
+  extern void lcd_bed_calibration_show_result(BedSkewOffsetDetectionResultType result, uint8_t point_too_far_mask);
 
   extern void lcd_diag_show_end_stops();