Add 4th extruder

Marlin/language_an.h

@@ -18,17 +18,19 @@
 #define MSG_SET_HOME_OFFSETS                "Set home offsets"
 #define MSG_SET_ORIGIN                      "Establir zero"
 #define MSG_PREHEAT_PLA                     "Precalentar PLA"
-#define MSG_PREHEAT_PLA0                    "Precalentar PLA0"
-#define MSG_PREHEAT_PLA1                    "Precalentar PLA1"
-#define MSG_PREHEAT_PLA2                    "Precalentar PLA2"
-#define MSG_PREHEAT_PLA012                  "Precalentar PLA a"
+#define MSG_PREHEAT_PLA0                    "Precalentar PLA1"
+#define MSG_PREHEAT_PLA1                    "Precalentar PLA2"
+#define MSG_PREHEAT_PLA2                    "Precalentar PLA3"
+#define MSG_PREHEAT_PLA3                    "Precalentar PLA4"
+#define MSG_PREHEAT_PLA0123                 "Precalentar PLA a"
 #define MSG_PREHEAT_PLA_BEDONLY             "Prec. PLA Base"
 #define MSG_PREHEAT_PLA_SETTINGS            "Achustar tem. PLA"
 #define MSG_PREHEAT_ABS                     "Precalentar ABS"
-#define MSG_PREHEAT_ABS0                    "Precalentar ABS0"
-#define MSG_PREHEAT_ABS1                    "Precalentar ABS1"
-#define MSG_PREHEAT_ABS2                    "Precalentar ABS2"
-#define MSG_PREHEAT_ABS012                  "Precalentar ABS a"
+#define MSG_PREHEAT_ABS0                    "Precalentar ABS1"
+#define MSG_PREHEAT_ABS1                    "Precalentar ABS2"
+#define MSG_PREHEAT_ABS2                    "Precalentar ABS3"
+#define MSG_PREHEAT_ABS3                    "Precalentar ABS4"
+#define MSG_PREHEAT_ABS0123                 "Precalentar ABS a"
 #define MSG_PREHEAT_ABS_BEDONLY             "Prec. ABS Base"
 #define MSG_PREHEAT_ABS_SETTINGS            "Achustar tem. ABS"
 #define MSG_COOLDOWN                        "Enfriar"