Merge pull request #4047 from Alex9779/Fix/ultralcd_move_e

RCBugFix with UltraLCD active does not compile

Marlin/ultralcd.cpp

@@ -1290,7 +1290,7 @@ static void lcd_status_screen() {
       #if EXTRUDERS == 1
         pos_label = PSTR(MSG_MOVE_E);
       #else
-        switch (e) {
+        switch (eindex) {
           case 0: pos_label = PSTR(MSG_MOVE_E MSG_MOVE_E1); break;
           case 1: pos_label = PSTR(MSG_MOVE_E MSG_MOVE_E2); break;
           #if EXTRUDERS > 2